diff --git a/packages/core/src/Extension.ts b/packages/core/src/Extension.ts
index fa649aa34..a4f98853c 100644
--- a/packages/core/src/Extension.ts
+++ b/packages/core/src/Extension.ts
@@ -61,7 +61,7 @@ declare module '@tiptap/core' {
      */
     addOptions?: (this: {
       name: string
-      parent: ParentConfig<ExtensionConfig<Options, Storage>>['addOptions']
+      parent: Exclude<ParentConfig<ExtensionConfig<Options, Storage>>['addOptions'], undefined>
     }) => Options
 
     /**
@@ -76,7 +76,7 @@ declare module '@tiptap/core' {
     addStorage?: (this: {
       name: string
       options: Options
-      parent: ParentConfig<ExtensionConfig<Options, Storage>>['addStorage']
+      parent: Exclude<ParentConfig<ExtensionConfig<Options, Storage>>['addStorage'], undefined>
     }) => Storage
 
     /**
diff --git a/packages/core/src/Mark.ts b/packages/core/src/Mark.ts
index ea57edd7f..6893bfce2 100644
--- a/packages/core/src/Mark.ts
+++ b/packages/core/src/Mark.ts
@@ -64,7 +64,7 @@ declare module '@tiptap/core' {
      */
     addOptions?: (this: {
       name: string
-      parent: ParentConfig<MarkConfig<Options, Storage>>['addOptions']
+      parent: Exclude<ParentConfig<MarkConfig<Options, Storage>>['addOptions'], undefined>
     }) => Options
 
     /**
@@ -79,7 +79,7 @@ declare module '@tiptap/core' {
     addStorage?: (this: {
       name: string
       options: Options
-      parent: ParentConfig<MarkConfig<Options, Storage>>['addStorage']
+      parent: Exclude<ParentConfig<MarkConfig<Options, Storage>>['addStorage'], undefined>
     }) => Storage
 
     /**
diff --git a/packages/core/src/Node.ts b/packages/core/src/Node.ts
index 567e0eef7..b0170983e 100644
--- a/packages/core/src/Node.ts
+++ b/packages/core/src/Node.ts
@@ -65,7 +65,7 @@ declare module '@tiptap/core' {
      */
     addOptions?: (this: {
       name: string
-      parent: ParentConfig<NodeConfig<Options, Storage>>['addOptions']
+      parent: Exclude<ParentConfig<NodeConfig<Options, Storage>>['addOptions'], undefined>
     }) => Options
 
     /**
@@ -80,7 +80,7 @@ declare module '@tiptap/core' {
     addStorage?: (this: {
       name: string
       options: Options
-      parent: ParentConfig<NodeConfig<Options, Storage>>['addStorage']
+      parent: Exclude<ParentConfig<NodeConfig<Options, Storage>>['addStorage'], undefined>
     }) => Storage
 
     /**