diff --git a/gtk/main.c b/gtk/main.c
index da0e86220..9367c8080 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -2155,31 +2155,6 @@ static void populate_xdg_data_dirs_envvar(void) {
 }
 #define ZRTP_CACHE_CONFIG_FILE ".linphone-zidcache.db"
 
-static char *linphone_gtk_zrtp_cache_get_db_file(const char *filename){
-	const int path_max=1024;
-	char *db_file=NULL;
-
-	db_file=(char *)g_malloc(path_max*sizeof(char));
-	if (filename==NULL) filename=ZRTP_CACHE_CONFIG_FILE;
-	/*try accessing a local file first if exists*/
-	if (bctbx_file_exist(ZRTP_CACHE_CONFIG_FILE)==0){
-		snprintf(db_file,path_max,"%s",filename);
-	}else{
-#ifdef _WIN32
-		const char *appdata=getenv("APPDATA");
-		if (appdata){
-			snprintf(db_file,path_max,"%s\\%s",appdata,LINPHONE_CONFIG_DIR);
-			CreateDirectory(db_file,NULL);
-			snprintf(db_file,path_max,"%s\\%s\\%s",appdata,LINPHONE_CONFIG_DIR,filename);
-		}
-#else
-		const char *home=getenv("HOME");
-		if (home==NULL) home=".";
-		snprintf(db_file,path_max,"%s/%s",home,filename);
-#endif
-	}
-	return db_file;
-}
 
 int main(int argc, char *argv[]){
 	char *config_file;