diff --git a/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/input.js b/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/input.js
index 360d80c719..f5f2dc3a49 100644
--- a/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/input.js
+++ b/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/input.js
@@ -1,10 +1 @@
-interface ResponseBody {
-  name: string
-  age: number
-}
-
-let response;
-(response as ResponseBody) = {
-  name: 'Alice',
-  age: 23,
-}
\ No newline at end of file
+(a as number) = 42;
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/output.json b/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/output.json
index 50b878eb59..7935c94d65 100644
--- a/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/output.json
+++ b/packages/babylon/test/fixtures/typescript/cast/assert-and-assign/output.json
@@ -1,482 +1,132 @@
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diff --git a/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/input.js b/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/input.js
index 05b1ed46f4..c35da37ddf 100644
--- a/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/input.js
+++ b/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/input.js
@@ -1,11 +1 @@
-interface A {
-  name: string
-}
-interface B extends A {
-  age: number
-}
-let a;
-(a as A as B) = {
-  name: 'Alice',
-  age: 23
-}
\ No newline at end of file
+(a as number as any) = 42;
\ No newline at end of file
diff --git a/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/output.json b/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/output.json
index 20dd72836a..1548c2f075 100644
--- a/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/output.json
+++ b/packages/babylon/test/fixtures/typescript/cast/multiple-assert-and-assign/output.json
@@ -1,410 +1,101 @@
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+                "start": 1,
+                "end": 2,
                 "loc": {
                   "start": {
-                    "line": 8,
+                    "line": 1,
                     "column": 1
                   },
                   "end": {
-                    "line": 8,
+                    "line": 1,
                     "column": 2
                   },
                   "identifierName": "a"
@@ -412,201 +103,60 @@
                 "name": "a"
               },
               "typeAnnotation": {
-                "type": "TSTypeReference",
-                "start": 84,
-                "end": 85,
+                "type": "TSNumberKeyword",
+                "start": 6,
+                "end": 12,
                 "loc": {
                   "start": {
-                    "line": 8,
+                    "line": 1,
                     "column": 6
                   },
                   "end": {
-                    "line": 8,
-                    "column": 7
+                    "line": 1,
+                    "column": 12
                   }
-                },
-                "typeName": {
-                  "type": "Identifier",
-                  "start": 84,
-                  "end": 85,
-                  "loc": {
-                    "start": {
-                      "line": 8,
-                      "column": 6
-                    },
-                    "end": {
-                      "line": 8,
-                      "column": 7
-                    },
-                    "identifierName": "A"
-                  },
-                  "name": "A"
                 }
               }
             },
             "typeAnnotation": {
-              "type": "TSTypeReference",
-              "start": 89,
-              "end": 90,
+              "type": "TSAnyKeyword",
+              "start": 16,
+              "end": 19,
               "loc": {
                 "start": {
-                  "line": 8,
-                  "column": 11
+                  "line": 1,
+                  "column": 16
                 },
                 "end": {
-                  "line": 8,
-                  "column": 12
+                  "line": 1,
+                  "column": 19
                 }
-              },
-              "typeName": {
-                "type": "Identifier",
-                "start": 89,
-                "end": 90,
-                "loc": {
-                  "start": {
-                    "line": 8,
-                    "column": 11
-                  },
-                  "end": {
-                    "line": 8,
-                    "column": 12
-                  },
-                  "identifierName": "B"
-                },
-                "name": "B"
               }
             },
             "extra": {
               "parenthesized": true,
-              "parenStart": 78
+              "parenStart": 0
             }
           },
           "right": {
-            "type": "ObjectExpression",
-            "start": 94,
-            "end": 124,
+            "type": "NumericLiteral",
+            "start": 23,
+            "end": 25,
             "loc": {
               "start": {
-                "line": 8,
-                "column": 16
+                "line": 1,
+                "column": 23
               },
               "end": {
-                "line": 11,
-                "column": 1
+                "line": 1,
+                "column": 25
               }
             },
-            "properties": [
-              {
-                "type": "ObjectProperty",
-                "start": 98,
-                "end": 111,
-                "loc": {
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-                    "line": 9,
-                    "column": 2
-                  },
-                  "end": {
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-                    "column": 15
-                  }
-                },
-                "method": false,
-                "key": {
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-                  "start": 98,
-                  "end": 102,
-                  "loc": {
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-                      "line": 9,
-                      "column": 2
-                    },
-                    "end": {
-                      "line": 9,
-                      "column": 6
-                    },
-                    "identifierName": "name"
-                  },
-                  "name": "name"
-                },
-                "computed": false,
-                "shorthand": false,
-                "value": {
-                  "type": "StringLiteral",
-                  "start": 104,
-                  "end": 111,
-                  "loc": {
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-                    },
-                    "end": {
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-                    }
-                  },
-                  "extra": {
-                    "rawValue": "Alice",
-                    "raw": "'Alice'"
-                  },
-                  "value": "Alice"
-                }
-              },
-              {
-                "type": "ObjectProperty",
-                "start": 115,
-                "end": 122,
-                "loc": {
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-                  },
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-                  }
-                },
-                "method": false,
-                "key": {
-                  "type": "Identifier",
-                  "start": 115,
-                  "end": 118,
-                  "loc": {
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-                      "column": 2
-                    },
-                    "end": {
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-                      "column": 5
-                    },
-                    "identifierName": "age"
-                  },
-                  "name": "age"
-                },
-                "computed": false,
-                "shorthand": false,
-                "value": {
-                  "type": "NumericLiteral",
-                  "start": 120,
-                  "end": 122,
-                  "loc": {
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-                    "end": {
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-                  },
-                  "extra": {
-                    "rawValue": 23,
-                    "raw": "23"
-                  },
-                  "value": 23
-                }
-              }
-            ]
+            "extra": {
+              "rawValue": 42,
+              "raw": "42"
+            },
+            "value": 42
           }
         }
       }