diff --git a/gio/tests/gsubprocess-testprog.c b/gio/tests/gsubprocess-testprog.c
index 610b8f3be..417c0289c 100644
--- a/gio/tests/gsubprocess-testprog.c
+++ b/gio/tests/gsubprocess-testprog.c
@@ -5,7 +5,6 @@
 #include <errno.h>
 #ifdef G_OS_UNIX
 #include <unistd.h>
-#include <sys/ptrace.h>
 #else
 #include <io.h>
 #endif