diff --git a/include/private/vkd3d_memory.h b/include/private/vkd3d_memory.h
index 682d35c0..e191dc11 100644
--- a/include/private/vkd3d_memory.h
+++ b/include/private/vkd3d_memory.h
@@ -19,7 +19,6 @@
 #ifndef __VKD3D_MEMORY_H
 #define __VKD3D_MEMORY_H
 
-#include <assert.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
@@ -44,7 +43,7 @@ static inline void *vkd3d_realloc(void *ptr, size_t size)
 static inline void *vkd3d_calloc(size_t count, size_t size)
 {
     void *ptr;
-    assert(count <= ~(size_t)0 / size);
+    VKD3D_ASSERT(count <= ~(size_t)0 / size);
     if (!(ptr = calloc(count, size)))
         ERR("Out of memory.\n");
     return ptr;
diff --git a/libs/vkd3d-common/debug.c b/libs/vkd3d-common/debug.c
index 4bfc19bd..9a92f0ea 100644
--- a/libs/vkd3d-common/debug.c
+++ b/libs/vkd3d-common/debug.c
@@ -22,7 +22,6 @@
 
 #include "vkd3d_common.h"
 
-#include <assert.h>
 #include <ctype.h>
 #include <errno.h>
 #include <inttypes.h>