diff --git a/source/common/utility/i_time.cpp b/source/common/utility/i_time.cpp
index ce14e52d4..f54c80d78 100644
--- a/source/common/utility/i_time.cpp
+++ b/source/common/utility/i_time.cpp
@@ -175,11 +175,6 @@ int I_GetBuildTime()
 	return NSToBuildTic(CurrentFrameStartTime - FirstFrameStartTime);
 }
 
-void I_ResetTime()
-{
-	FirstFrameStartTime = CurrentFrameStartTime = 0;
-}
-
 double I_GetTimeFrac()
 {
 	int currentTic = NSToTic(CurrentFrameStartTime - FirstFrameStartTime);
diff --git a/source/common/utility/i_time.h b/source/common/utility/i_time.h
index 1f28df893..78a399939 100644
--- a/source/common/utility/i_time.h
+++ b/source/common/utility/i_time.h
@@ -15,9 +15,6 @@ uint64_t I_GetTimeNS();
 // Called by Build games in lieu of totalclock, returns current time in tics at ticrate of 120.
 int I_GetBuildTime();
 
-// Reset timer variables to zero when called.
-void I_ResetTime();
-
 double I_GetTimeFrac();
 double I_GetBuildTimeFrac();
 
diff --git a/source/games/duke/src/gameloop.cpp b/source/games/duke/src/gameloop.cpp
index 14c1c70ca..0920d59a6 100644
--- a/source/games/duke/src/gameloop.cpp
+++ b/source/games/duke/src/gameloop.cpp
@@ -362,7 +362,7 @@ void startmainmenu()
 void resetGameClock()
 {
 	I_SetFrameTime();
-	gameclockstart = I_GetTime();
+	gameclockstart = I_GetBuildTime();
 	gameclock = 0;
 	cloudclock = 0;
 }
diff --git a/source/sw/src/game.cpp b/source/sw/src/game.cpp
index c12201525..083bfd86f 100644
--- a/source/sw/src/game.cpp
+++ b/source/sw/src/game.cpp
@@ -730,7 +730,7 @@ void GameTicker(void)
         ready2send = 1;
 
         int const currentTic = I_GetTime();
-        gameclock = I_GetBuildTime();
+        gameclock = I_GetBuildTime() - gameclockstart;
 
         if (paused)
         {
@@ -765,6 +765,13 @@ void GameTicker(void)
 }
 
 
+void resetGameClock()
+{
+    I_SetFrameTime();
+    gameclockstart = I_GetBuildTime();
+    ogameclock = gameclock = 0;
+}
+
 void GameInterface::RunGameFrame()
 {
     // if the menu initiazed a new game or loaded a savegame, switch to play mode.
@@ -774,9 +781,7 @@ void GameInterface::RunGameFrame()
     {
     default:
     case GS_STARTUP:
-        I_ResetTime();
-        lastTic = -1;
-        ogameclock = gameclock = 0;
+        resetGameClock();
 
         if (userConfig.CommandMap.IsNotEmpty())
         {
diff --git a/source/sw/src/network.cpp b/source/sw/src/network.cpp
index 63afbcc87..83eabcd97 100644
--- a/source/sw/src/network.cpp
+++ b/source/sw/src/network.cpp
@@ -43,6 +43,7 @@ Prepared for public release: 03/28/2005 - Charlie Wiederhold, 3D Realms
 BEGIN_SW_NS
 
 void getinput(InputPacket *, SWBOOL);
+void resetGameClock();
 
 static uint8_t tempbuf[576], packbuf[576];
 int PlayClock;
@@ -163,9 +164,7 @@ InitTimingVars(void)
 
     // resettiming();
     totalsynctics = 0;
-    I_ResetTime();
-    lastTic = -1;
-    ogameclock = gameclock = 0;
+    resetGameClock();
     randomseed = 17L;
 
     MoveSkip8 = 2;