diff --git a/src/ast-types.ts b/src/ast-types.ts
index 5a6bab5..0881428 100644
--- a/src/ast-types.ts
+++ b/src/ast-types.ts
@@ -3,7 +3,7 @@
 //    Alex Browne <https://github.com/albrow>
 //    Xiao Liang <https://github.com/yxliang01>
 
-export interface Position {
+interface Position {
   line: number
   column: number
 }
diff --git a/src/types.ts b/src/types.ts
index dbca2fc..6978fa1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,7 +1,3 @@
-export interface Node {
-  type: string
-}
-
 export interface TokenizeOptions {
   range?: boolean
   loc?: boolean