diff --git a/src/nu/nusicallbackremove.c b/src/nu/nusicallbackremove.c
index 5404f24..16374fe 100644
--- a/src/nu/nusicallbackremove.c
+++ b/src/nu/nusicallbackremove.c
@@ -1,3 +1,19 @@
 #include "common.h"
 
-INCLUDE_ASM(const s32, "nu/nusicallbackremove", nuSiCallBackRemove);
+#include "nu/nusys.h"
+
+void nuSiCallBackRemove(NUCallBackList* list) {
+    OSIntMask mask;
+    NUCallBackList** siCallBackListPtr = &nuSiCallBackList;
+
+    while (*siCallBackListPtr) {
+        if ((*siCallBackListPtr)->next == list) {
+            mask = osSetIntMask(OS_IM_NONE);
+            (*siCallBackListPtr)->next = list->next;
+            list->next = NULL;
+            osSetIntMask(mask);
+            break;
+        }
+        siCallBackListPtr = &(*siCallBackListPtr)->next;
+    }
+}
\ No newline at end of file