diff --git a/include/tlibc/collections/Array.h b/include/tlibc/collections/Array.h
index 066cbaf..53022c9 100755
--- a/include/tlibc/collections/Array.h
+++ b/include/tlibc/collections/Array.h
@@ -37,6 +37,10 @@ static inline Array_ Array_copy(const Array_ self){
     return copy;
 }
 
+static inline void Array_free(Array_ self){
+    free(self.data);
+}
+
 #define Array_len(SELF, T) (SELF.size / sizeof(T))
 #define Array_memset(SELF, VAL) memset(SELF.data, VAL, SELF.size)
 
diff --git a/include/tlibc/collections/List.h b/include/tlibc/collections/List.h
index 6f26e3d..6f77de6 100755
--- a/include/tlibc/collections/List.h
+++ b/include/tlibc/collections/List.h
@@ -20,6 +20,10 @@ static inline List_ List_construct_size(void* data_ptr, u32 occupied_size, u32 a
 #define List_alloc(T, INITIAL_COUNT) List_alloc_size((INITIAL_COUNT) * sizeof(T))
 List_ List_alloc_size(u32 initial_size);
 
+static inline void List_destroy(List_ self){
+    free(self.data);
+}
+
 List_ List_copy(List_ src);
 
 // alloc bigger buffer if size + size_to_add won't fit in current
diff --git a/include/tlibc/string/str.h b/include/tlibc/string/str.h
index 8b760c7..ec8af8d 100755
--- a/include/tlibc/string/str.h
+++ b/include/tlibc/string/str.h
@@ -22,7 +22,7 @@ static inline str str_from_cstr(cstr s_ptr){
     return str_construct((void*)s_ptr, strlen(s_ptr), true);
 }
 
-static inline void str_destroy(str s){
+static inline void str_free(str s){
     free(s.data);
 }