diff --git a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/input.js b/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/input.js
deleted file mode 100644
index 753a9cfbb2..0000000000
--- a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/input.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// One
-(1);
-
-/* Two */
-(2);
-
-(
-  // Three
-  3
-);
-
-(/* Four */ 4);
diff --git a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/options.json b/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/options.json
deleted file mode 100644
index 7c49b91ec9..0000000000
--- a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "parserOpts": {"createParenthesizedExpressions": true}
-}
diff --git a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/output.js b/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/output.js
deleted file mode 100644
index b78500e801..0000000000
--- a/packages/babel-generator/test/fixtures/comments/create-parenthesized-expressions/output.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// One
-(1);
-/* Two */
-
-(2);
-( // Three
-3);
-(
-/* Four */
-4);
\ No newline at end of file
diff --git a/packages/babel-generator/test/index.js b/packages/babel-generator/test/index.js
index fc20e8ad42..c8b60b4051 100644
--- a/packages/babel-generator/test/index.js
+++ b/packages/babel-generator/test/index.js
@@ -492,7 +492,6 @@ suites.forEach(function(testSuite) {
               strictMode: false,
               sourceType: "module",
               sourceMaps: !!task.sourceMap,
-              ...task.options.parserOpts,
             });
             const options = {
               sourceFileName: path.relative(__dirname, actual.loc),
diff --git a/packages/babel-parser/ast/spec.md b/packages/babel-parser/ast/spec.md
index 31afe89aab..7160972803 100644
--- a/packages/babel-parser/ast/spec.md
+++ b/packages/babel-parser/ast/spec.md
@@ -78,7 +78,6 @@ These are the core @babel/parser (babylon) AST node types.
   - [CallExpression](#callexpression)
   - [NewExpression](#newexpression)
   - [SequenceExpression](#sequenceexpression)
-  - [ParenthesizedExpression](#parenthesizedexpression)
   - [DoExpression](#doexpression)
 - [Template Literals](#template-literals)
   - [TemplateLiteral](#templateliteral)
@@ -937,17 +936,6 @@ interface SequenceExpression <: Expression {
 
 A sequence expression, i.e., a comma-separated sequence of expressions.
 
-## ParenthesizedExpression
-
-```js
-interface ParenthesizedExpression <: Expression {
-    type "ParenthesizedExpression";
-    expression: Expression;
-}
-```
-
-An expression wrapped by parentheses.
-
 ## DoExpression
 
 ```js
diff --git a/packages/babel-parser/src/options.js b/packages/babel-parser/src/options.js
index 347c1099b2..3bab7c04a2 100755
--- a/packages/babel-parser/src/options.js
+++ b/packages/babel-parser/src/options.js
@@ -19,7 +19,6 @@ export type Options = {
   strictMode: ?boolean,
   ranges: boolean,
   tokens: boolean,
-  createParenthesizedExpressions: boolean,
 };
 
 export const defaultOptions: Options = {
@@ -56,9 +55,6 @@ export const defaultOptions: Options = {
   ranges: false,
   // Adds all parsed tokens to a `tokens` property on the `File` node
   tokens: false,
-  // Whether to create ParenthesizedExpression AST nodes (if false
-  // the parser sets extra.parenthesized on the expression nodes instead).
-  createParenthesizedExpressions: false,
 };
 
 // Interpret and default an options object
diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
index 4e68ecc2e7..01f7dc03a2 100644
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -185,28 +185,17 @@ export default class ExpressionParser extends LValParser {
 
       let patternErrorMsg;
       let elementName;
-
-      const unwrap = node => {
-        return node.type === "ParenthesizedExpression"
-          ? unwrap(node.expression)
-          : node;
-      };
-      const maybePattern = unwrap(left);
-      if (maybePattern.type === "ObjectPattern") {
+      if (left.type === "ObjectPattern") {
         patternErrorMsg = "`({a}) = 0` use `({a} = 0)`";
         elementName = "property";
-      } else if (maybePattern.type === "ArrayPattern") {
+      } else if (left.type === "ArrayPattern") {
         patternErrorMsg = "`([a]) = 0` use `([a] = 0)`";
         elementName = "element";
       }
 
-      if (
-        patternErrorMsg &&
-        ((left.extra && left.extra.parenthesized) ||
-          left.type === "ParenthesizedExpression")
-      ) {
+      if (patternErrorMsg && left.extra && left.extra.parenthesized) {
         this.raise(
-          maybePattern.start,
+          left.start,
           `You're trying to assign to a parenthesized expression, eg. instead of ${patternErrorMsg}`,
         );
       }
@@ -320,8 +309,7 @@ export default class ExpressionParser extends LValParser {
         if (
           operator === "**" &&
           left.type === "UnaryExpression" &&
-          (this.options.createParenthesizedExpressions ||
-            !(left.extra && left.extra.parenthesized))
+          !(left.extra && left.extra.parenthesized)
         ) {
           this.raise(
             left.argument.start,
@@ -1167,6 +1155,13 @@ export default class ExpressionParser extends LValParser {
     return this.finishNode(node, type);
   }
 
+  parseParenExpression(): N.Expression {
+    this.expect(tt.parenL);
+    const val = this.parseExpression();
+    this.expect(tt.parenR);
+    return val;
+  }
+
   parseParenAndDistinguishExpression(canBeArrow: boolean): N.Expression {
     const startPos = this.state.start;
     const startLoc = this.state.startLoc;
@@ -1277,16 +1272,10 @@ export default class ExpressionParser extends LValParser {
       val = exprList[0];
     }
 
-    if (!this.options.createParenthesizedExpressions) {
-      this.addExtra(val, "parenthesized", true);
-      this.addExtra(val, "parenStart", startPos);
-      return val;
-    }
+    this.addExtra(val, "parenthesized", true);
+    this.addExtra(val, "parenStart", startPos);
 
-    const parenExpression = this.startNodeAt(startPos, startLoc);
-    parenExpression.expression = val;
-    this.finishNode(parenExpression, "ParenthesizedExpression");
-    return parenExpression;
+    return val;
   }
 
   shouldParseArrow(): boolean {
diff --git a/packages/babel-parser/src/parser/lval.js b/packages/babel-parser/src/parser/lval.js
index d200bc7c07..6b9e6c6ac9 100644
--- a/packages/babel-parser/src/parser/lval.js
+++ b/packages/babel-parser/src/parser/lval.js
@@ -92,14 +92,6 @@ export default class LValParser extends NodeUtils {
           }
           break;
 
-        case "ParenthesizedExpression":
-          node.expression = this.toAssignable(
-            node.expression,
-            isBinding,
-            contextDescription,
-          );
-          break;
-
         case "MemberExpression":
           if (!isBinding) break;
 
@@ -415,15 +407,6 @@ export default class LValParser extends NodeUtils {
         this.checkLVal(expr.argument, isBinding, checkClashes, "rest element");
         break;
 
-      case "ParenthesizedExpression":
-        this.checkLVal(
-          expr.expression,
-          isBinding,
-          checkClashes,
-          "parenthesized expression",
-        );
-        break;
-
       default: {
         const message =
           (isBinding
diff --git a/packages/babel-parser/src/parser/statement.js b/packages/babel-parser/src/parser/statement.js
index 35a291d08b..88d6555d5f 100644
--- a/packages/babel-parser/src/parser/statement.js
+++ b/packages/babel-parser/src/parser/statement.js
@@ -426,13 +426,6 @@ export default class StatementParser extends ExpressionParser {
     return this.finishNode(node, "DebuggerStatement");
   }
 
-  parseHeaderExpression(): N.Expression {
-    this.expect(tt.parenL);
-    const val = this.parseExpression();
-    this.expect(tt.parenR);
-    return val;
-  }
-
   parseDoStatement(node: N.DoWhileStatement): N.DoWhileStatement {
     this.next();
     this.state.labels.push(loopLabel);
@@ -449,7 +442,7 @@ export default class StatementParser extends ExpressionParser {
     this.state.labels.pop();
 
     this.expect(tt._while);
-    node.test = this.parseHeaderExpression();
+    node.test = this.parseParenExpression();
     this.eat(tt.semi);
     return this.finishNode(node, "DoWhileStatement");
   }
@@ -538,7 +531,7 @@ export default class StatementParser extends ExpressionParser {
 
   parseIfStatement(node: N.IfStatement): N.IfStatement {
     this.next();
-    node.test = this.parseHeaderExpression();
+    node.test = this.parseParenExpression();
     node.consequent = this.parseStatement("if");
     node.alternate = this.eat(tt._else) ? this.parseStatement("if") : null;
     return this.finishNode(node, "IfStatement");
@@ -567,7 +560,7 @@ export default class StatementParser extends ExpressionParser {
 
   parseSwitchStatement(node: N.SwitchStatement): N.SwitchStatement {
     this.next();
-    node.discriminant = this.parseHeaderExpression();
+    node.discriminant = this.parseParenExpression();
     const cases = (node.cases = []);
     this.expect(tt.braceL);
     this.state.labels.push(switchLabel);
@@ -676,7 +669,7 @@ export default class StatementParser extends ExpressionParser {
 
   parseWhileStatement(node: N.WhileStatement): N.WhileStatement {
     this.next();
-    node.test = this.parseHeaderExpression();
+    node.test = this.parseParenExpression();
     this.state.labels.push(loopLabel);
 
     node.body =
@@ -698,7 +691,7 @@ export default class StatementParser extends ExpressionParser {
       this.raise(this.state.start, "'with' in strict mode");
     }
     this.next();
-    node.object = this.parseHeaderExpression();
+    node.object = this.parseParenExpression();
 
     node.body =
       // For the smartPipelines plugin:
diff --git a/packages/babel-parser/src/types.js b/packages/babel-parser/src/types.js
index fe8e707059..06e5a03a71 100644
--- a/packages/babel-parser/src/types.js
+++ b/packages/babel-parser/src/types.js
@@ -566,11 +566,6 @@ export type SequenceExpression = NodeBase & {
   expressions: $ReadOnlyArray<Expression>,
 };
 
-export type ParenthesizedExpression = NodeBase & {
-  type: "ParenthesizedExpression",
-  expression: Expression,
-};
-
 // Pipelines
 
 export type PipelineBody = NodeBase & {
diff --git a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/input.js b/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/input.js
deleted file mode 100644
index 753a9cfbb2..0000000000
--- a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/input.js
+++ /dev/null
@@ -1,12 +0,0 @@
-// One
-(1);
-
-/* Two */
-(2);
-
-(
-  // Three
-  3
-);
-
-(/* Four */ 4);
diff --git a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/options.json b/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/options.json
deleted file mode 100644
index 0861962d88..0000000000
--- a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "createParenthesizedExpressions": true
-}
diff --git a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/output.json b/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/output.json
deleted file mode 100644
index 7614637908..0000000000
--- a/packages/babel-parser/test/fixtures/comments/basic/create-parenthesized-expressions/output.json
+++ /dev/null
@@ -1,391 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 65,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 12,
-      "column": 15
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 65,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 12,
-        "column": 15
-      }
-    },
-    "sourceType": "script",
-    "interpreter": null,
-    "body": [
-      {
-        "type": "ExpressionStatement",
-        "start": 7,
-        "end": 11,
-        "loc": {
-          "start": {
-            "line": 2,
-            "column": 0
-          },
-          "end": {
-            "line": 2,
-            "column": 4
-          }
-        },
-        "expression": {
-          "type": "ParenthesizedExpression",
-          "start": 7,
-          "end": 10,
-          "loc": {
-            "start": {
-              "line": 2,
-              "column": 0
-            },
-            "end": {
-              "line": 2,
-              "column": 3
-            }
-          },
-          "expression": {
-            "type": "NumericLiteral",
-            "start": 8,
-            "end": 9,
-            "loc": {
-              "start": {
-                "line": 2,
-                "column": 1
-              },
-              "end": {
-                "line": 2,
-                "column": 2
-              }
-            },
-            "extra": {
-              "rawValue": 1,
-              "raw": "1"
-            },
-            "value": 1
-          }
-        },
-        "leadingComments": [
-          {
-            "type": "CommentLine",
-            "value": " One",
-            "start": 0,
-            "end": 6,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 0
-              },
-              "end": {
-                "line": 1,
-                "column": 6
-              }
-            }
-          }
-        ],
-        "trailingComments": [
-          {
-            "type": "CommentBlock",
-            "value": " Two ",
-            "start": 13,
-            "end": 22,
-            "loc": {
-              "start": {
-                "line": 4,
-                "column": 0
-              },
-              "end": {
-                "line": 4,
-                "column": 9
-              }
-            }
-          }
-        ]
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 23,
-        "end": 27,
-        "loc": {
-          "start": {
-            "line": 5,
-            "column": 0
-          },
-          "end": {
-            "line": 5,
-            "column": 4
-          }
-        },
-        "expression": {
-          "type": "ParenthesizedExpression",
-          "start": 23,
-          "end": 26,
-          "loc": {
-            "start": {
-              "line": 5,
-              "column": 0
-            },
-            "end": {
-              "line": 5,
-              "column": 3
-            }
-          },
-          "expression": {
-            "type": "NumericLiteral",
-            "start": 24,
-            "end": 25,
-            "loc": {
-              "start": {
-                "line": 5,
-                "column": 1
-              },
-              "end": {
-                "line": 5,
-                "column": 2
-              }
-            },
-            "extra": {
-              "rawValue": 2,
-              "raw": "2"
-            },
-            "value": 2
-          }
-        },
-        "leadingComments": [
-          {
-            "type": "CommentBlock",
-            "value": " Two ",
-            "start": 13,
-            "end": 22,
-            "loc": {
-              "start": {
-                "line": 4,
-                "column": 0
-              },
-              "end": {
-                "line": 4,
-                "column": 9
-              }
-            }
-          }
-        ]
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 29,
-        "end": 48,
-        "loc": {
-          "start": {
-            "line": 7,
-            "column": 0
-          },
-          "end": {
-            "line": 10,
-            "column": 2
-          }
-        },
-        "expression": {
-          "type": "ParenthesizedExpression",
-          "start": 29,
-          "end": 47,
-          "loc": {
-            "start": {
-              "line": 7,
-              "column": 0
-            },
-            "end": {
-              "line": 10,
-              "column": 1
-            }
-          },
-          "expression": {
-            "type": "NumericLiteral",
-            "start": 44,
-            "end": 45,
-            "loc": {
-              "start": {
-                "line": 9,
-                "column": 2
-              },
-              "end": {
-                "line": 9,
-                "column": 3
-              }
-            },
-            "extra": {
-              "rawValue": 3,
-              "raw": "3"
-            },
-            "value": 3,
-            "leadingComments": [
-              {
-                "type": "CommentLine",
-                "value": " Three",
-                "start": 33,
-                "end": 41,
-                "loc": {
-                  "start": {
-                    "line": 8,
-                    "column": 2
-                  },
-                  "end": {
-                    "line": 8,
-                    "column": 10
-                  }
-                }
-              }
-            ]
-          }
-        }
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 50,
-        "end": 65,
-        "loc": {
-          "start": {
-            "line": 12,
-            "column": 0
-          },
-          "end": {
-            "line": 12,
-            "column": 15
-          }
-        },
-        "expression": {
-          "type": "ParenthesizedExpression",
-          "start": 50,
-          "end": 64,
-          "loc": {
-            "start": {
-              "line": 12,
-              "column": 0
-            },
-            "end": {
-              "line": 12,
-              "column": 14
-            }
-          },
-          "expression": {
-            "type": "NumericLiteral",
-            "start": 62,
-            "end": 63,
-            "loc": {
-              "start": {
-                "line": 12,
-                "column": 12
-              },
-              "end": {
-                "line": 12,
-                "column": 13
-              }
-            },
-            "extra": {
-              "rawValue": 4,
-              "raw": "4"
-            },
-            "value": 4,
-            "leadingComments": [
-              {
-                "type": "CommentBlock",
-                "value": " Four ",
-                "start": 51,
-                "end": 61,
-                "loc": {
-                  "start": {
-                    "line": 12,
-                    "column": 1
-                  },
-                  "end": {
-                    "line": 12,
-                    "column": 11
-                  }
-                }
-              }
-            ]
-          }
-        }
-      }
-    ],
-    "directives": []
-  },
-  "comments": [
-    {
-      "type": "CommentLine",
-      "value": " One",
-      "start": 0,
-      "end": 6,
-      "loc": {
-        "start": {
-          "line": 1,
-          "column": 0
-        },
-        "end": {
-          "line": 1,
-          "column": 6
-        }
-      }
-    },
-    {
-      "type": "CommentBlock",
-      "value": " Two ",
-      "start": 13,
-      "end": 22,
-      "loc": {
-        "start": {
-          "line": 4,
-          "column": 0
-        },
-        "end": {
-          "line": 4,
-          "column": 9
-        }
-      }
-    },
-    {
-      "type": "CommentLine",
-      "value": " Three",
-      "start": 33,
-      "end": 41,
-      "loc": {
-        "start": {
-          "line": 8,
-          "column": 2
-        },
-        "end": {
-          "line": 8,
-          "column": 10
-        }
-      }
-    },
-    {
-      "type": "CommentBlock",
-      "value": " Four ",
-      "start": 51,
-      "end": 61,
-      "loc": {
-        "start": {
-          "line": 12,
-          "column": 1
-        },
-        "end": {
-          "line": 12,
-          "column": 11
-        }
-      }
-    }
-  ]
-}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/556/input.js b/packages/babel-parser/test/fixtures/core/uncategorised/556/input.js
deleted file mode 100644
index 13cfa4015d..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/556/input.js
+++ /dev/null
@@ -1 +0,0 @@
-({x}) = {x: 1};
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/556/options.json b/packages/babel-parser/test/fixtures/core/uncategorised/556/options.json
deleted file mode 100644
index eff49cbfba..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/556/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "createParenthesizedExpressions": true,
-  "throws": "You're trying to assign to a parenthesized expression, eg. instead of `({a}) = 0` use `({a} = 0)` (1:1)"
-}
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/557/input.js b/packages/babel-parser/test/fixtures/core/uncategorised/557/input.js
deleted file mode 100644
index 40d925520d..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/557/input.js
+++ /dev/null
@@ -1 +0,0 @@
-("hello");
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/557/options.json b/packages/babel-parser/test/fixtures/core/uncategorised/557/options.json
deleted file mode 100644
index 0861962d88..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/557/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "createParenthesizedExpressions": true
-}
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/557/output.json b/packages/babel-parser/test/fixtures/core/uncategorised/557/output.json
deleted file mode 100644
index b1f49f00e9..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/557/output.json
+++ /dev/null
@@ -1,85 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 10,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 1,
-      "column": 10
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 10,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 1,
-        "column": 10
-      }
-    },
-    "sourceType": "script",
-    "interpreter": null,
-    "body": [
-      {
-        "type": "ExpressionStatement",
-        "start": 0,
-        "end": 10,
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 0
-          },
-          "end": {
-            "line": 1,
-            "column": 10
-          }
-        },
-        "expression": {
-          "type": "ParenthesizedExpression",
-          "start": 0,
-          "end": 9,
-          "loc": {
-            "start": {
-              "line": 1,
-              "column": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 9
-            }
-          },
-          "expression": {
-            "type": "StringLiteral",
-            "start": 1,
-            "end": 8,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 1
-              },
-              "end": {
-                "line": 1,
-                "column": 8
-              }
-            },
-            "extra": {
-              "rawValue": "hello",
-              "raw": "\"hello\""
-            },
-            "value": "hello"
-          }
-        }
-      }
-    ],
-    "directives": []
-  }
-}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/558/input.js b/packages/babel-parser/test/fixtures/core/uncategorised/558/input.js
deleted file mode 100644
index 2cf717d47d..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/558/input.js
+++ /dev/null
@@ -1 +0,0 @@
-([a]) = []
diff --git a/packages/babel-parser/test/fixtures/core/uncategorised/558/options.json b/packages/babel-parser/test/fixtures/core/uncategorised/558/options.json
deleted file mode 100644
index f37c4bc95c..0000000000
--- a/packages/babel-parser/test/fixtures/core/uncategorised/558/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "createParenthesizedExpressions": true,
-  "throws": "You're trying to assign to a parenthesized expression, eg. instead of `([a]) = 0` use `([a] = 0)` (1:1)"
-}
diff --git a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/input.js b/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/input.js
deleted file mode 100644
index 6626a35389..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/input.js
+++ /dev/null
@@ -1 +0,0 @@
-(foo) => {}
diff --git a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/options.json b/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/options.json
deleted file mode 100644
index 0861962d88..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "createParenthesizedExpressions": true
-}
diff --git a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/output.json b/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/output.json
deleted file mode 100644
index 09568c70bb..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/arrow-functions/create-parenthesized-expressions/output.json
+++ /dev/null
@@ -1,104 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 11,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 1,
-      "column": 11
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 11,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 1,
-        "column": 11
-      }
-    },
-    "sourceType": "script",
-    "interpreter": null,
-    "body": [
-      {
-        "type": "ExpressionStatement",
-        "start": 0,
-        "end": 11,
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 0
-          },
-          "end": {
-            "line": 1,
-            "column": 11
-          }
-        },
-        "expression": {
-          "type": "ArrowFunctionExpression",
-          "start": 0,
-          "end": 11,
-          "loc": {
-            "start": {
-              "line": 1,
-              "column": 0
-            },
-            "end": {
-              "line": 1,
-              "column": 11
-            }
-          },
-          "id": null,
-          "generator": false,
-          "async": false,
-          "params": [
-            {
-              "type": "Identifier",
-              "start": 1,
-              "end": 4,
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 1
-                },
-                "end": {
-                  "line": 1,
-                  "column": 4
-                },
-                "identifierName": "foo"
-              },
-              "name": "foo"
-            }
-          ],
-          "body": {
-            "type": "BlockStatement",
-            "start": 9,
-            "end": 11,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 9
-              },
-              "end": {
-                "line": 1,
-                "column": 11
-              }
-            },
-            "body": [],
-            "directives": []
-          }
-        }
-      }
-    ],
-    "directives": []
-  }
-}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/input.js b/packages/babel-parser/test/fixtures/es2015/uncategorised/394/input.js
deleted file mode 100644
index d6a05dcf09..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/input.js
+++ /dev/null
@@ -1,4 +0,0 @@
-var a;
-(a) = {};
-(a.b) = {};
-(a['c']) = {};
diff --git a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/options.json b/packages/babel-parser/test/fixtures/es2015/uncategorised/394/options.json
deleted file mode 100644
index 0861962d88..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "createParenthesizedExpressions": true
-}
diff --git a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/output.json b/packages/babel-parser/test/fixtures/es2015/uncategorised/394/output.json
deleted file mode 100644
index 3eccd63cbd..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/394/output.json
+++ /dev/null
@@ -1,392 +0,0 @@
-{
-  "type": "File",
-  "start": 0,
-  "end": 43,
-  "loc": {
-    "start": {
-      "line": 1,
-      "column": 0
-    },
-    "end": {
-      "line": 4,
-      "column": 14
-    }
-  },
-  "program": {
-    "type": "Program",
-    "start": 0,
-    "end": 43,
-    "loc": {
-      "start": {
-        "line": 1,
-        "column": 0
-      },
-      "end": {
-        "line": 4,
-        "column": 14
-      }
-    },
-    "sourceType": "script",
-    "interpreter": null,
-    "body": [
-      {
-        "type": "VariableDeclaration",
-        "start": 0,
-        "end": 6,
-        "loc": {
-          "start": {
-            "line": 1,
-            "column": 0
-          },
-          "end": {
-            "line": 1,
-            "column": 6
-          }
-        },
-        "declarations": [
-          {
-            "type": "VariableDeclarator",
-            "start": 4,
-            "end": 5,
-            "loc": {
-              "start": {
-                "line": 1,
-                "column": 4
-              },
-              "end": {
-                "line": 1,
-                "column": 5
-              }
-            },
-            "id": {
-              "type": "Identifier",
-              "start": 4,
-              "end": 5,
-              "loc": {
-                "start": {
-                  "line": 1,
-                  "column": 4
-                },
-                "end": {
-                  "line": 1,
-                  "column": 5
-                },
-                "identifierName": "a"
-              },
-              "name": "a"
-            },
-            "init": null
-          }
-        ],
-        "kind": "var"
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 7,
-        "end": 16,
-        "loc": {
-          "start": {
-            "line": 2,
-            "column": 0
-          },
-          "end": {
-            "line": 2,
-            "column": 9
-          }
-        },
-        "expression": {
-          "type": "AssignmentExpression",
-          "start": 7,
-          "end": 15,
-          "loc": {
-            "start": {
-              "line": 2,
-              "column": 0
-            },
-            "end": {
-              "line": 2,
-              "column": 8
-            }
-          },
-          "operator": "=",
-          "left": {
-            "type": "ParenthesizedExpression",
-            "start": 7,
-            "end": 10,
-            "loc": {
-              "start": {
-                "line": 2,
-                "column": 0
-              },
-              "end": {
-                "line": 2,
-                "column": 3
-              }
-            },
-            "expression": {
-              "type": "Identifier",
-              "start": 8,
-              "end": 9,
-              "loc": {
-                "start": {
-                  "line": 2,
-                  "column": 1
-                },
-                "end": {
-                  "line": 2,
-                  "column": 2
-                },
-                "identifierName": "a"
-              },
-              "name": "a"
-            }
-          },
-          "right": {
-            "type": "ObjectExpression",
-            "start": 13,
-            "end": 15,
-            "loc": {
-              "start": {
-                "line": 2,
-                "column": 6
-              },
-              "end": {
-                "line": 2,
-                "column": 8
-              }
-            },
-            "properties": []
-          }
-        }
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 17,
-        "end": 28,
-        "loc": {
-          "start": {
-            "line": 3,
-            "column": 0
-          },
-          "end": {
-            "line": 3,
-            "column": 11
-          }
-        },
-        "expression": {
-          "type": "AssignmentExpression",
-          "start": 17,
-          "end": 27,
-          "loc": {
-            "start": {
-              "line": 3,
-              "column": 0
-            },
-            "end": {
-              "line": 3,
-              "column": 10
-            }
-          },
-          "operator": "=",
-          "left": {
-            "type": "ParenthesizedExpression",
-            "start": 17,
-            "end": 22,
-            "loc": {
-              "start": {
-                "line": 3,
-                "column": 0
-              },
-              "end": {
-                "line": 3,
-                "column": 5
-              }
-            },
-            "expression": {
-              "type": "MemberExpression",
-              "start": 18,
-              "end": 21,
-              "loc": {
-                "start": {
-                  "line": 3,
-                  "column": 1
-                },
-                "end": {
-                  "line": 3,
-                  "column": 4
-                }
-              },
-              "object": {
-                "type": "Identifier",
-                "start": 18,
-                "end": 19,
-                "loc": {
-                  "start": {
-                    "line": 3,
-                    "column": 1
-                  },
-                  "end": {
-                    "line": 3,
-                    "column": 2
-                  },
-                  "identifierName": "a"
-                },
-                "name": "a"
-              },
-              "property": {
-                "type": "Identifier",
-                "start": 20,
-                "end": 21,
-                "loc": {
-                  "start": {
-                    "line": 3,
-                    "column": 3
-                  },
-                  "end": {
-                    "line": 3,
-                    "column": 4
-                  },
-                  "identifierName": "b"
-                },
-                "name": "b"
-              },
-              "computed": false
-            }
-          },
-          "right": {
-            "type": "ObjectExpression",
-            "start": 25,
-            "end": 27,
-            "loc": {
-              "start": {
-                "line": 3,
-                "column": 8
-              },
-              "end": {
-                "line": 3,
-                "column": 10
-              }
-            },
-            "properties": []
-          }
-        }
-      },
-      {
-        "type": "ExpressionStatement",
-        "start": 29,
-        "end": 43,
-        "loc": {
-          "start": {
-            "line": 4,
-            "column": 0
-          },
-          "end": {
-            "line": 4,
-            "column": 14
-          }
-        },
-        "expression": {
-          "type": "AssignmentExpression",
-          "start": 29,
-          "end": 42,
-          "loc": {
-            "start": {
-              "line": 4,
-              "column": 0
-            },
-            "end": {
-              "line": 4,
-              "column": 13
-            }
-          },
-          "operator": "=",
-          "left": {
-            "type": "ParenthesizedExpression",
-            "start": 29,
-            "end": 37,
-            "loc": {
-              "start": {
-                "line": 4,
-                "column": 0
-              },
-              "end": {
-                "line": 4,
-                "column": 8
-              }
-            },
-            "expression": {
-              "type": "MemberExpression",
-              "start": 30,
-              "end": 36,
-              "loc": {
-                "start": {
-                  "line": 4,
-                  "column": 1
-                },
-                "end": {
-                  "line": 4,
-                  "column": 7
-                }
-              },
-              "object": {
-                "type": "Identifier",
-                "start": 30,
-                "end": 31,
-                "loc": {
-                  "start": {
-                    "line": 4,
-                    "column": 1
-                  },
-                  "end": {
-                    "line": 4,
-                    "column": 2
-                  },
-                  "identifierName": "a"
-                },
-                "name": "a"
-              },
-              "property": {
-                "type": "StringLiteral",
-                "start": 32,
-                "end": 35,
-                "loc": {
-                  "start": {
-                    "line": 4,
-                    "column": 3
-                  },
-                  "end": {
-                    "line": 4,
-                    "column": 6
-                  }
-                },
-                "extra": {
-                  "rawValue": "c",
-                  "raw": "'c'"
-                },
-                "value": "c"
-              },
-              "computed": true
-            }
-          },
-          "right": {
-            "type": "ObjectExpression",
-            "start": 40,
-            "end": 42,
-            "loc": {
-              "start": {
-                "line": 4,
-                "column": 11
-              },
-              "end": {
-                "line": 4,
-                "column": 13
-              }
-            },
-            "properties": []
-          }
-        }
-      }
-    ],
-    "directives": []
-  }
-}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2015/uncategorised/395/input.js b/packages/babel-parser/test/fixtures/es2015/uncategorised/395/input.js
deleted file mode 100644
index 874dec75a9..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/395/input.js
+++ /dev/null
@@ -1 +0,0 @@
-([a.a]) => 42
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2015/uncategorised/395/options.json b/packages/babel-parser/test/fixtures/es2015/uncategorised/395/options.json
deleted file mode 100644
index db72a6af95..0000000000
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/395/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "createParenthesizedExpressions": true,
-  "throws": "Invalid left-hand side in arrow function parameters (1:2)"
-}
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/input.js b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/input.js
deleted file mode 100644
index 63fce35a8a..0000000000
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/input.js
+++ /dev/null
@@ -1 +0,0 @@
--(5) ** 6;
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/options.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/options.json
deleted file mode 100644
index c694133bf2..0000000000
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/15/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "createParenthesizedExpressions": true,
-  "throws": "Illegal expression. Wrap left hand side or entire exponentiation in parentheses. (1:1)"
-}
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/input.js b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/input.js
deleted file mode 100644
index 47b91d35a8..0000000000
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/input.js
+++ /dev/null
@@ -1 +0,0 @@
-(-5 ** 6);
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/options.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/options.json
deleted file mode 100644
index 19687fbe19..0000000000
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/16/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "createParenthesizedExpressions": true,
-  "throws": "Illegal expression. Wrap left hand side or entire exponentiation in parentheses. (1:2)"
-}
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/2/output.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/2/output.json
index e840aecbd1..e4e9ecd32a 100644
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/2/output.json
+++ b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/2/output.json
@@ -124,4 +124,4 @@
     ],
     "directives": []
   }
-}
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/7/output.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/7/output.json
index 2fb85f363b..c4f295eacf 100644
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/7/output.json
+++ b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/7/output.json
@@ -160,4 +160,4 @@
     ],
     "directives": []
   }
-}
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/8/output.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/8/output.json
index 56c71d7d25..fd863ac0f6 100644
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/8/output.json
+++ b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/8/output.json
@@ -156,4 +156,4 @@
     ],
     "directives": []
   }
-}
+}
\ No newline at end of file
diff --git a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/9/output.json b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/9/output.json
index 2691c64337..c3f4e42e1c 100644
--- a/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/9/output.json
+++ b/packages/babel-parser/test/fixtures/es2016/exponentiation-operator/9/output.json
@@ -124,4 +124,4 @@
     ],
     "directives": []
   }
-}
+}
\ No newline at end of file
diff --git a/packages/babel-parser/typings/babel-parser.d.ts b/packages/babel-parser/typings/babel-parser.d.ts
index deba6be0e6..b3f745f61a 100644
--- a/packages/babel-parser/typings/babel-parser.d.ts
+++ b/packages/babel-parser/typings/babel-parser.d.ts
@@ -78,14 +78,6 @@ export interface ParserOptions {
      * Adds all parsed tokens to a tokens property on the File node.
      */
     tokens?: boolean;
-
-    /**
-     * By default, the parser adds information about parentheses by setting
-     * `extra.parenthesized` to `true` as needed.
-     * When this option is `true` the parser creates `ParenthesizedExpression`
-     * AST nodes instead of using the `extra` property.
-     */
-    createParenthesizedExpressions?: boolean;
 }
 
 export type ParserPlugin =
diff --git a/packages/babel-traverse/src/path/inference/inferers.js b/packages/babel-traverse/src/path/inference/inferers.js
index fb9a467b1f..2f8ab65838 100644
--- a/packages/babel-traverse/src/path/inference/inferers.js
+++ b/packages/babel-traverse/src/path/inference/inferers.js
@@ -102,10 +102,6 @@ export function SequenceExpression() {
     .getTypeAnnotation();
 }
 
-export function ParenthesizedExpression() {
-  return this.get("expression").getTypeAnnotation();
-}
-
 export function AssignmentExpression() {
   return this.get("right").getTypeAnnotation();
 }
diff --git a/packages/babel-types/src/asserts/generated/index.js b/packages/babel-types/src/asserts/generated/index.js
index c0f94dc642..890e3d6e8d 100644
--- a/packages/babel-types/src/asserts/generated/index.js
+++ b/packages/babel-types/src/asserts/generated/index.js
@@ -162,12 +162,6 @@ export function assertSequenceExpression(
 ): void {
   assert("SequenceExpression", node, opts);
 }
-export function assertParenthesizedExpression(
-  node: Object,
-  opts?: Object = {},
-): void {
-  assert("ParenthesizedExpression", node, opts);
-}
 export function assertSwitchCase(node: Object, opts?: Object = {}): void {
   assert("SwitchCase", node, opts);
 }
@@ -660,6 +654,12 @@ export function assertJSXClosingFragment(
 export function assertNoop(node: Object, opts?: Object = {}): void {
   assert("Noop", node, opts);
 }
+export function assertParenthesizedExpression(
+  node: Object,
+  opts?: Object = {},
+): void {
+  assert("ParenthesizedExpression", node, opts);
+}
 export function assertAwaitExpression(node: Object, opts?: Object = {}): void {
   assert("AwaitExpression", node, opts);
 }
diff --git a/packages/babel-types/src/builders/generated/index.js b/packages/babel-types/src/builders/generated/index.js
index 3a227b735e..a77b43cbb6 100644
--- a/packages/babel-types/src/builders/generated/index.js
+++ b/packages/babel-types/src/builders/generated/index.js
@@ -161,10 +161,6 @@ export function SequenceExpression(...args: Array<any>): Object {
   return builder("SequenceExpression", ...args);
 }
 export { SequenceExpression as sequenceExpression };
-export function ParenthesizedExpression(...args: Array<any>): Object {
-  return builder("ParenthesizedExpression", ...args);
-}
-export { ParenthesizedExpression as parenthesizedExpression };
 export function SwitchCase(...args: Array<any>): Object {
   return builder("SwitchCase", ...args);
 }
@@ -596,6 +592,10 @@ export function Noop(...args: Array<any>): Object {
   return builder("Noop", ...args);
 }
 export { Noop as noop };
+export function ParenthesizedExpression(...args: Array<any>): Object {
+  return builder("ParenthesizedExpression", ...args);
+}
+export { ParenthesizedExpression as parenthesizedExpression };
 export function AwaitExpression(...args: Array<any>): Object {
   return builder("AwaitExpression", ...args);
 }
diff --git a/packages/babel-types/src/definitions/core.js b/packages/babel-types/src/definitions/core.js
index 5f240992a4..a92e8d2725 100644
--- a/packages/babel-types/src/definitions/core.js
+++ b/packages/babel-types/src/definitions/core.js
@@ -731,16 +731,6 @@ defineType("SequenceExpression", {
   aliases: ["Expression"],
 });
 
-defineType("ParenthesizedExpression", {
-  visitor: ["expression"],
-  aliases: ["Expression", "ExpressionWrapper"],
-  fields: {
-    expression: {
-      validate: assertNodeType("Expression"),
-    },
-  },
-});
-
 defineType("SwitchCase", {
   visitor: ["test", "consequent"],
   fields: {
diff --git a/packages/babel-types/src/definitions/misc.js b/packages/babel-types/src/definitions/misc.js
index 6bc22babc0..2fc1334aac 100644
--- a/packages/babel-types/src/definitions/misc.js
+++ b/packages/babel-types/src/definitions/misc.js
@@ -1,6 +1,16 @@
 // @flow
-import defineType from "./utils";
+import defineType, { assertNodeType } from "./utils";
 
 defineType("Noop", {
   visitor: [],
 });
+
+defineType("ParenthesizedExpression", {
+  visitor: ["expression"],
+  aliases: ["Expression", "ExpressionWrapper"],
+  fields: {
+    expression: {
+      validate: assertNodeType("Expression"),
+    },
+  },
+});
diff --git a/packages/babel-types/src/validators/generated/index.js b/packages/babel-types/src/validators/generated/index.js
index 972d398297..ab74610518 100644
--- a/packages/babel-types/src/validators/generated/index.js
+++ b/packages/babel-types/src/validators/generated/index.js
@@ -551,23 +551,6 @@ export function isSequenceExpression(node: ?Object, opts?: Object): boolean {
 
   return false;
 }
-export function isParenthesizedExpression(
-  node: ?Object,
-  opts?: Object,
-): boolean {
-  if (!node) return false;
-
-  const nodeType = node.type;
-  if (nodeType === "ParenthesizedExpression") {
-    if (typeof opts === "undefined") {
-      return true;
-    } else {
-      return shallowEqual(node, opts);
-    }
-  }
-
-  return false;
-}
 export function isSwitchCase(node: ?Object, opts?: Object): boolean {
   if (!node) return false;
 
@@ -2093,6 +2076,23 @@ export function isNoop(node: ?Object, opts?: Object): boolean {
 
   return false;
 }
+export function isParenthesizedExpression(
+  node: ?Object,
+  opts?: Object,
+): boolean {
+  if (!node) return false;
+
+  const nodeType = node.type;
+  if (nodeType === "ParenthesizedExpression") {
+    if (typeof opts === "undefined") {
+      return true;
+    } else {
+      return shallowEqual(node, opts);
+    }
+  }
+
+  return false;
+}
 export function isAwaitExpression(node: ?Object, opts?: Object): boolean {
   if (!node) return false;
 
@@ -3242,7 +3242,6 @@ export function isExpression(node: ?Object, opts?: Object): boolean {
     "NewExpression" === nodeType ||
     "ObjectExpression" === nodeType ||
     "SequenceExpression" === nodeType ||
-    "ParenthesizedExpression" === nodeType ||
     "ThisExpression" === nodeType ||
     "UnaryExpression" === nodeType ||
     "UpdateExpression" === nodeType ||
@@ -3256,6 +3255,7 @@ export function isExpression(node: ?Object, opts?: Object): boolean {
     "TypeCastExpression" === nodeType ||
     "JSXElement" === nodeType ||
     "JSXFragment" === nodeType ||
+    "ParenthesizedExpression" === nodeType ||
     "AwaitExpression" === nodeType ||
     "BindExpression" === nodeType ||
     "OptionalMemberExpression" === nodeType ||
@@ -3545,8 +3545,8 @@ export function isExpressionWrapper(node: ?Object, opts?: Object): boolean {
   if (
     nodeType === "ExpressionWrapper" ||
     "ExpressionStatement" === nodeType ||
-    "ParenthesizedExpression" === nodeType ||
-    "TypeCastExpression" === nodeType
+    "TypeCastExpression" === nodeType ||
+    "ParenthesizedExpression" === nodeType
   ) {
     if (typeof opts === "undefined") {
       return true;