diff --git a/packages/babel-types/src/ast-types/generated/index.ts b/packages/babel-types/src/ast-types/generated/index.ts
index ac7c27b4f7b8..a13ee342a030 100644
--- a/packages/babel-types/src/ast-types/generated/index.ts
+++ b/packages/babel-types/src/ast-types/generated/index.ts
@@ -811,11 +811,7 @@ export interface ExportAllDeclaration extends BaseNode {
 
 export interface ExportDefaultDeclaration extends BaseNode {
   type: "ExportDefaultDeclaration";
-  declaration:
-    | FunctionDeclaration
-    | TSDeclareFunction
-    | ClassDeclaration
-    | Expression;
+  declaration: FunctionDeclaration | ClassDeclaration | Expression;
   exportKind?: "value" | null;
 }
 
diff --git a/packages/babel-types/src/builders/generated/index.ts b/packages/babel-types/src/builders/generated/index.ts
index 30870df8a9af..bbc7d7050fba 100644
--- a/packages/babel-types/src/builders/generated/index.ts
+++ b/packages/babel-types/src/builders/generated/index.ts
@@ -634,11 +634,7 @@ export function exportAllDeclaration(
   });
 }
 export function exportDefaultDeclaration(
-  declaration:
-    | t.FunctionDeclaration
-    | t.TSDeclareFunction
-    | t.ClassDeclaration
-    | t.Expression,
+  declaration: t.FunctionDeclaration | t.ClassDeclaration | t.Expression,
 ): t.ExportDefaultDeclaration {
   return validateNode<t.ExportDefaultDeclaration>({
     type: "ExportDefaultDeclaration",
diff --git a/packages/babel-types/src/definitions/core.ts b/packages/babel-types/src/definitions/core.ts
index 92591951cafd..c5f6114f299e 100644
--- a/packages/babel-types/src/definitions/core.ts
+++ b/packages/babel-types/src/definitions/core.ts
@@ -1490,7 +1490,6 @@ defineType("ExportDefaultDeclaration", {
     declaration: {
       validate: assertNodeType(
         "FunctionDeclaration",
-        "TSDeclareFunction",
         "ClassDeclaration",
         "Expression",
       ),