diff -r f83583a0bbac -r f0f99dd06d9f src/basic_mempool.c
--- a/src/basic_mempool.c	Wed Aug 03 17:27:55 2022 +0200
+++ b/src/basic_mempool.c	Mon Aug 08 17:12:00 2022 +0200
@@ -80,8 +80,7 @@
         }
     }
 
-    cx_basic_mempool_memory *mem = cxMalloc(pool->allocator,
-                                            sizeof(cx_destructor_func) + n);
+    cx_basic_mempool_memory *mem = malloc(sizeof(cx_destructor_func) + n);
     if (mem == NULL) {
         return NULL;
     }
@@ -119,8 +118,7 @@
     struct cx_basic_mempool_s *pool = data;
 
     char *mem = ((char *) ptr) - sizeof(cx_destructor_func);
-    char *newm = (char *) cxRealloc(pool->allocator, mem,
-                                    n + sizeof(cx_destructor_func));
+    char *newm = (char *) realloc(mem, n + sizeof(cx_destructor_func));
     if (newm == NULL) {
         return NULL;
     }
@@ -150,7 +148,7 @@
             if (mem->destructor != NULL) {
                 mem->destructor(&(mem->c));
             }
-            cxFree(pool->allocator, mem);
+            free(mem);
             size_t last_index = pool->ndata - 1;
             if (i != last_index) {
                 pool->data[i] = pool->data[last_index];
@@ -172,7 +170,7 @@
             if (mem->destructor) {
                 mem->destructor(&(mem->c));
             }
-            cxFree(pool->allocator, mem);
+            free(mem);
         }
     }
     free(pool->data);
@@ -200,10 +198,7 @@
         cx_basic_mempool_set_destr,
 };
 
-CxMempool *cxBasicMempoolCreate(
-        size_t capacity,
-        CxAllocator *allocator
-) {
+CxMempool *cxBasicMempoolCreate(size_t capacity) {
     size_t poolsize;
     if (cx_szmul(capacity, sizeof(void *), &poolsize)) {
         return NULL;
@@ -236,7 +231,6 @@
 
     pool->ndata = 0;
     pool->size = capacity;
-    pool->allocator = allocator;
 
     return (CxMempool *) pool;
 }