diff --git a/programs/fuzz/common.c b/programs/fuzz/common.c
index a9d3d3b86..169b4804f 100644
--- a/programs/fuzz/common.c
+++ b/programs/fuzz/common.c
@@ -26,7 +26,10 @@ int dummy_send( void *ctx, const unsigned char *buf, size_t len )
     (void) buf;
 
     //pretends we wrote everything ok
-    return( len );
+    if (len > INT_MAX) {
+        return -1;
+    }
+    return int( len );
 }
 
 int fuzz_recv( void *ctx, unsigned char *buf, size_t len )
diff --git a/programs/fuzz/onefile.c b/programs/fuzz/onefile.c
index 45c32829f..c5361b310 100644
--- a/programs/fuzz/onefile.c
+++ b/programs/fuzz/onefile.c
@@ -1,5 +1,4 @@
 #include <stdint.h>
-#include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>