diff --git a/tests/surface-global-test.c b/tests/surface-global-test.c
index 5bafa08c..220cb514 100644
--- a/tests/surface-global-test.c
+++ b/tests/surface-global-test.c
@@ -67,8 +67,7 @@ surface_to_from_global(void *data)
 }
 
 WL_EXPORT int
-module_init(struct weston_compositor *compositor,
-	    int *argc, char *argv[], const char *config_file)
+module_init(struct weston_compositor *compositor, int *argc, char *argv[])
 {
 	struct wl_event_loop *loop;
 
diff --git a/tests/surface-test.c b/tests/surface-test.c
index 8157e333..73ee23c7 100644
--- a/tests/surface-test.c
+++ b/tests/surface-test.c
@@ -50,8 +50,7 @@ surface_transform(void *data)
 }
 
 WL_EXPORT int
-module_init(struct weston_compositor *compositor,
-	    int *argc, char *argv[], const char *config_file)
+module_init(struct weston_compositor *compositor, int *argc, char *argv[])
 {
 	struct wl_event_loop *loop;