diff --git a/source/games/duke/src/inlines.h b/source/games/duke/src/inlines.h
index b710c4c4e..ba7f25871 100644
--- a/source/games/duke/src/inlines.h
+++ b/source/games/duke/src/inlines.h
@@ -111,11 +111,6 @@ inline bool PlayerInput(int pl, ESyncBits bit)
 	return (!!((getPlayer(pl)->cmd.ucmd.actions) & bit));
 }
 
-inline ESyncBits PlayerInputBits(int pl, ESyncBits bits)
-{
-	return (getPlayer(pl)->cmd.ucmd.actions & bits);
-}
-
 inline void PlayerSetItemUsed(int pl, int num)
 {
 	getPlayer(pl)->cmd.ucmd.setItemUsed(num - 1);
diff --git a/source/games/duke/src/input.cpp b/source/games/duke/src/input.cpp
index de433d33c..9593739a4 100644
--- a/source/games/duke/src/input.cpp
+++ b/source/games/duke/src/input.cpp
@@ -108,7 +108,7 @@ void hud_input(int plnum)
 	}
 	if (!PlayerInput(plnum, SB_QUICK_KICK)) p->quick_kick_msg = false;
 
-	if (!PlayerInputBits(plnum, SB_INTERFACE_BITS))
+	if (!(p->cmd.ucmd.actions & SB_INTERFACE_BITS))
 		p->interface_toggle_flag = 0;
 	else if (p->interface_toggle_flag == 0)
 	{