--- a/sys/dev/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/sys/dev/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -531,6 +531,8 @@
 	pinfo->vdd_dep_on_socclk = NULL;
 	kfree(pinfo->vdd_dep_on_fclk);
 	pinfo->vdd_dep_on_fclk = NULL;
+	kfree(pinfo->vdd_dep_on_mclk);
+	pinfo->vdd_dep_on_mclk = NULL;
 	kfree(pinfo->vdd_dep_on_dispclk);
 	pinfo->vdd_dep_on_dispclk = NULL;
 	kfree(pinfo->vdd_dep_on_dppclk);