diff --git a/common/broxton/hw-gfx-gma-power_and_clocks.ads b/common/broxton/hw-gfx-gma-power_and_clocks.ads
index 253d537..86961f6 100644
--- a/common/broxton/hw-gfx-gma-power_and_clocks.ads
+++ b/common/broxton/hw-gfx-gma-power_and_clocks.ads
@@ -14,13 +14,13 @@
 
 private package HW.GFX.GMA.Power_And_Clocks is
 
-   procedure Pre_All_Off is null;
-   procedure Post_All_Off is null;
+   procedure Pre_All_Off;
+   procedure Post_All_Off;
 
-   procedure Initialize is null;
+   procedure Initialize;
 
-   procedure Power_Set_To (Configs : Pipe_Configs) is null;
-   procedure Power_Up (Old_Configs, New_Configs : Pipe_Configs) is null;
-   procedure Power_Down (Old_Configs, Tmp_Configs, New_Configs : Pipe_Configs) is null;
+   procedure Power_Set_To (Configs : Pipe_Configs);
+   procedure Power_Up (Old_Configs, New_Configs : Pipe_Configs);
+   procedure Power_Down (Old_Configs, Tmp_Configs, New_Configs : Pipe_Configs);
 
 end HW.GFX.GMA.Power_And_Clocks;