diff --git a/bin/plugins/filter-a.c b/bin/plugins/filter-a.c
index 4836110238..9ee1e9f374 100644
--- a/bin/plugins/filter-a.c
+++ b/bin/plugins/filter-a.c
@@ -358,7 +358,7 @@ plugin_register(const char *parameters, const void *cfg, const char *cfg_file,
 	*instp = inst;
 
 cleanup:
-	if (result != ISC_R_SUCCESS && inst != NULL) {
+	if (result != ISC_R_SUCCESS) {
 		plugin_destroy((void **)&inst);
 	}
 
diff --git a/bin/plugins/filter-aaaa.c b/bin/plugins/filter-aaaa.c
index 9a1c62a57e..9830639938 100644
--- a/bin/plugins/filter-aaaa.c
+++ b/bin/plugins/filter-aaaa.c
@@ -362,7 +362,7 @@ plugin_register(const char *parameters, const void *cfg, const char *cfg_file,
 	*instp = inst;
 
 cleanup:
-	if (result != ISC_R_SUCCESS && inst != NULL) {
+	if (result != ISC_R_SUCCESS) {
 		plugin_destroy((void **)&inst);
 	}