diff --git a/backend/code1.c b/backend/code1.c
index 0bd97f4c..ea1d2239 100644
--- a/backend/code1.c
+++ b/backend/code1.c
@@ -37,11 +37,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <math.h>
-#ifdef __APPLE__
-#include <sys/malloc.h>
-#else
-#include <malloc.h>
-#endif
 
 void horiz(struct zint_symbol *symbol, int row_no, int full) {
     int i;
diff --git a/backend/maxicode.c b/backend/maxicode.c
index 8b66d6a1..63c61708 100644
--- a/backend/maxicode.c
+++ b/backend/maxicode.c
@@ -37,11 +37,6 @@
 #include "reedsol.h"
 #include <string.h>
 #include <stdlib.h>
-#ifdef __APPLE__
-#include <sys/malloc.h>
-#else
-#include <malloc.h>
-#endif
 
 int maxi_codeword[144];