diff --git a/src/busctl/busctl.c b/src/busctl/busctl.c
index a5673731c0..2f056ac834 100644
--- a/src/busctl/busctl.c
+++ b/src/busctl/busctl.c
@@ -1592,7 +1592,7 @@ finish:
 }
 
 static int json_transform_variant(sd_bus_message *m, const char *contents, JsonVariant **ret) {
-        _cleanup_(json_variant_unrefp) JsonVariant *type = NULL, *value = NULL;
+        _cleanup_(json_variant_unrefp) JsonVariant *value = NULL;
         int r;
 
         assert(m);
diff --git a/src/core/manager.c b/src/core/manager.c
index af84a0a769..002429f1ec 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -3096,7 +3096,7 @@ int manager_serialize(
         assert(f);
         assert(fds);
 
-        _cleanup_(manager_reloading_stopp) Manager *reloading = manager_reloading_start(m);
+        _cleanup_(manager_reloading_stopp) _unused_ Manager *reloading = manager_reloading_start(m);
 
         fprintf(f, "current-job-id=%"PRIu32"\n", m->current_job_id);
         fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs);
@@ -3217,7 +3217,7 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
         /* If we are not in reload mode yet, enter it now. Not that this is recursive, a caller might already have
          * increased it to non-zero, which is why we just increase it by one here and down again at the end of this
          * call. */
-        _cleanup_(manager_reloading_stopp) Manager *reloading = manager_reloading_start(m);
+        _cleanup_(manager_reloading_stopp) _unused_ Manager *reloading = manager_reloading_start(m);
 
         for (;;) {
                 char line[LINE_MAX];
diff --git a/src/test/test-json.c b/src/test/test-json.c
index c1c2105913..e145559ae9 100644
--- a/src/test/test-json.c
+++ b/src/test/test-json.c
@@ -208,7 +208,7 @@ static void test_2(JsonVariant *v) {
 
         /* has thisisaverylongproperty */
         p = json_variant_by_key(v, "thisisaverylongproperty");
-        assert_se(p && json_variant_type(p) == JSON_VARIANT_REAL && fabs(json_variant_real(p) - 1.27) < 0.001);
+        assert_se(p && json_variant_type(p) == JSON_VARIANT_REAL && fabsl(json_variant_real(p) - 1.27) < 0.001);
 }