diff --git a/src/language-js/parse/postprocess/ts-syntax-kind.evaluate.js b/src/language-js/parse/postprocess/ts-syntax-kind.evaluate.js
new file mode 100644
index 000000000..44d8a1574
--- /dev/null
+++ b/src/language-js/parse/postprocess/ts-syntax-kind.evaluate.js
@@ -0,0 +1,11 @@
+import ts from "typescript";
+
+export const {
+  AbstractKeyword,
+  SourceFile,
+  DeclareKeyword,
+  PropertyDeclaration,
+  InKeyword,
+  OutKeyword,
+  MethodSignature,
+} = ts.SyntaxKind;
diff --git a/src/language-js/parse/postprocess/typescript.js b/src/language-js/parse/postprocess/typescript.js
index e434dff3d..b4ccd02ef 100644
--- a/src/language-js/parse/postprocess/typescript.js
+++ b/src/language-js/parse/postprocess/typescript.js
@@ -1,18 +1,7 @@
 import isNonEmptyArray from "../../../utils/is-non-empty-array.js";
 import visitNode from "./visit-node.js";
 import throwTsSyntaxError from "./throw-ts-syntax-error.js";
-
-// Taken from `typescript` package
-const SyntaxKind = {
-  AbstractKeyword: 126,
-  SourceFile: 308,
-  DeclareKeyword: 136,
-  PropertyDeclaration: 169,
-  InKeyword: 101,
-  OutKeyword: 145,
-  /* FIXME: This is actually `SyntaxKind.MethodSignature`, mistake in #15853 */
-  TypeParameter: 170,
-};
+import * as SyntaxKind from "./ts-syntax-kind.evaluate.js";
 
 function getTsNodeLocation(nodeOrToken) {
   const sourceFile = getSourceFileOfNode(nodeOrToken);
@@ -100,7 +89,7 @@ function throwErrorForInvalidDeclare(tsNode, esTreeNode) {
 function throwErrorForInvalidModifierOnTypeParameter(tsNode, esTreeNode) {
   if (
     esTreeNode.type !== "TSMethodSignature" ||
-    tsNode.kind !== SyntaxKind.TypeParameter
+    tsNode.kind !== SyntaxKind.MethodSignature
   ) {
     return;
   }