diff --git a/hal/acdb.h b/hal/acdb.h
index e6410d6..718331b 100644
--- a/hal/acdb.h
+++ b/hal/acdb.h
@@ -26,7 +26,7 @@
 #define ACDB_METAINFO_KEY_MODULE_NAME_LEN 100
 
 /* Audio calibration related functions */
-typedef void (*acdb_deallocate_t)();
+typedef void (*acdb_deallocate_t)(void);
 typedef int  (*acdb_init_v3_t)(const char *, char *, struct listnode *);
 typedef int  (*acdb_init_v2_cvd_t)(char *, char *, int);
 typedef int  (*acdb_init_v2_t)(char *);
diff --git a/hal/msm8960/platform.c b/hal/msm8960/platform.c
index 6cc5411..913fb00 100644
--- a/hal/msm8960/platform.c
+++ b/hal/msm8960/platform.c
@@ -60,7 +60,7 @@
 };
 
 
-typedef void (*acdb_deallocate_t)();
+typedef void (*acdb_deallocate_t)(void);
 typedef int  (*acdb_init_t)();
 typedef void (*acdb_send_audio_cal_t)(int, int);
 typedef void (*acdb_send_voice_cal_t)(int, int);