diff --git a/src/geometry.cc b/src/geometry.cc
index 8f03204..52d8053 100644
--- a/src/geometry.cc
+++ b/src/geometry.cc
@@ -6,7 +6,7 @@
 #include <stdlib.h>
 
 // 0x51DEF4
-RectListNode* _rectList = NULL;
+static RectListNode* _rectList = NULL;
 
 // 0x4C6900
 void _GNW_rect_exit()
diff --git a/src/geometry.h b/src/geometry.h
index 65c92e9..2896065 100644
--- a/src/geometry.h
+++ b/src/geometry.h
@@ -23,8 +23,6 @@ typedef struct RectListNode {
     struct RectListNode* next;
 } RectListNode;
 
-extern RectListNode* _rectList;
-
 void _GNW_rect_exit();
 void _rect_clip_list(RectListNode** rectListNodePtr, Rect* rect);
 RectListNode* _rect_malloc();