diff --git a/bin/tests/system/hooks/driver/test-async.c b/bin/tests/system/hooks/driver/test-async.c
index 8449c9b140..f1669e9fe9 100644
--- a/bin/tests/system/hooks/driver/test-async.c
+++ b/bin/tests/system/hooks/driver/test-async.c
@@ -160,7 +160,7 @@ plugin_register(const char *parameters, const void *cfg, const char *cfg_file,
 	return (ISC_R_SUCCESS);
 
 cleanup:
-	if (result != ISC_R_SUCCESS && inst != NULL) {
+	if (result != ISC_R_SUCCESS) {
 		plugin_destroy((void **)&inst);
 	}