diff --git a/packages/babel-plugin-transform-classes/src/lib/memoise-decorators.js b/packages/babel-plugin-transform-classes/src/lib/memoise-decorators.js
deleted file mode 100644
index 40f258f532..0000000000
--- a/packages/babel-plugin-transform-classes/src/lib/memoise-decorators.js
+++ /dev/null
@@ -1,42 +0,0 @@
-import type { Scope } from "@babel/traverse";
-import { types as t } from "@babel/core";
-
-export default function(
-  decorators: Array<Object>,
-  scope: Scope,
-): Array<Object> {
-  for (const decorator of decorators) {
-    const expression = decorator.expression;
-    if (!t.isMemberExpression(expression)) continue;
-
-    const temp = scope.maybeGenerateMemoised(expression.object);
-    let ref;
-
-    const nodes = [];
-
-    if (temp) {
-      ref = temp;
-      nodes.push(t.assignmentExpression("=", temp, expression.object));
-    } else {
-      ref = expression.object;
-    }
-
-    nodes.push(
-      t.callExpression(
-        t.memberExpression(
-          t.memberExpression(ref, expression.property, expression.computed),
-          t.identifier("bind"),
-        ),
-        [ref],
-      ),
-    );
-
-    if (nodes.length === 1) {
-      decorator.expression = nodes[0];
-    } else {
-      decorator.expression = t.sequenceExpression(nodes);
-    }
-  }
-
-  return decorators;
-}