diff --git a/model/audio/sapm/src/audio_sapm.c b/model/audio/sapm/src/audio_sapm.c
index 1b86b336..59e8b1ae 100644
--- a/model/audio/sapm/src/audio_sapm.c
+++ b/model/audio/sapm/src/audio_sapm.c
@@ -1150,7 +1150,6 @@ static int32_t MixerUpdatePowerStatus(const struct AudioKcontrol *kcontrol, uint
 {
     struct AudioCard *audioCard = NULL;
     struct AudioSapmpath *path = NULL;
-    int ret = HDF_SUCCESS;
 
     if (kcontrol == NULL || kcontrol->pri == NULL) {
         ADM_LOG_ERR("input param kcontrol is NULL.");