diff --git a/include/pocketpy/common/refcount.h b/include/pocketpy/common/refcount.h
deleted file mode 100644
index 8623cd39..00000000
--- a/include/pocketpy/common/refcount.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// ref counting
-typedef struct RefCounted {
-    int count;
-    void (*dtor)(void*);
-} RefCounted;
-
-#define PK_INCREF(obj) (obj)->rc.count++
-#define PK_DECREF(obj) do { \
-    if(--(obj)->rc.count == 0) { \
-        (obj)->rc.dtor(obj); \
-        free(obj); \
-    } \
-} while(0)
-
-#ifdef __cplusplus
-}
-#endif
\ No newline at end of file