diff --git a/include/tlibc/collections/LList.h b/include/tlibc/collections/LList.h
index 8757e62..99a7bb2 100644
--- a/include/tlibc/collections/LList.h
+++ b/include/tlibc/collections/LList.h
@@ -32,8 +32,8 @@ typedef struct LList(T) { \
 } LList(T); \
  \
 /* Peek node from list. Detatched nodes can be inserted in different place. */ \
-static inline LLNode(T)* LList_##T##_detatch(LList(T)* l, LLNode(T)* n) \
-{ return _LList_detatch((void*)l, (void*)n); } \
+static inline void LList_##T##_detatch(LList(T)* l, LLNode(T)* n) \
+{ _LList_detatch((void*)l, (void*)n); } \
  \
 /* @param detatched must have null .next and .prev */ \
 /* @param target can be null only if it is l->first or l->last */ \
@@ -80,7 +80,7 @@ typedef struct LList_ {
 } LList_;
 
 /* Peek node from list. Detatched nodes can be inserted in different place. */
-LLNode_* _LList_detatch(LList_* l, LLNode_* n);
+void _LList_detatch(LList_* l, LLNode_* n);
 
 /* @param detatched must have null .next and .prev */
 /* @param target can be null only if it is l->first or l->last */
diff --git a/src/collections/LList.c b/src/collections/LList.c
index cd9d65c..bda45e1 100644
--- a/src/collections/LList.c
+++ b/src/collections/LList.c
@@ -1,6 +1,7 @@
 #include "tlibc/collections/LList.h"
+#include <assert.h>
 
-LLNode_* _LList_detatch(LList_* l, LLNode_* n){
+void _LList_detatch(LList_* l, LLNode_* n){
     if(n == l->first){
         l->first = n->next;
     }
@@ -20,7 +21,6 @@ LLNode_* _LList_detatch(LList_* l, LLNode_* n){
     l->count--;
     n->prev = NULL;
     n->next = NULL;
-    return n;
 }
 
 void _LList_insertAfter(LList_* l, NULLABLE(LLNode_*) target, LLNode_* detatched)