diff --git a/configure.py b/configure.py
index 5590fdf3..73ce5b87 100644
--- a/configure.py
+++ b/configure.py
@@ -413,7 +413,7 @@ def Rel(lib_name: str, objects: List[Object]) -> Dict[str, Any]:
             Object(NonMatching, "SB/Core/gc/iScrFX.cpp"),
             Object(NonMatching, "SB/Core/gc/iSnd.cpp"),
             Object(NonMatching, "SB/Core/gc/iSystem.cpp"),
-            Object(NonMatching, "SB/Core/gc/iTime.cpp"),
+            Object(Matching, "SB/Core/gc/iTime.cpp"),
             Object(NonMatching, "SB/Core/gc/ngcrad3d.c"),
             Object(Matching, "SB/Game/zNPCGoals.cpp"),
             Object(NonMatching, "SB/Game/zNPCGoalCommon.cpp"), # wrong function order
diff --git a/src/SB/Core/gc/iTime.cpp b/src/SB/Core/gc/iTime.cpp
index 6498f136..4412e6a9 100644
--- a/src/SB/Core/gc/iTime.cpp
+++ b/src/SB/Core/gc/iTime.cpp
@@ -1,11 +1,11 @@
 #include "iTime.h"
+#include "iSystem.h"
 
 #include <types.h>
 #include <dolphin.h>
 
-extern iTime sStartupTime;
-extern float32 sGameTime;
-extern float32 lbl_803CE1D8;
+static iTime sStartupTime;
+static float32 sGameTime;
 
 void iTimeInit()
 {
@@ -21,15 +21,11 @@ iTime iTimeGet()
     return OSGetTime() - sStartupTime;
 }
 
-#if 0
-// I can't seem to figure out the float operations going on here. It looks the setup is fairly right though?
 float32 iTimeDiffSec(iTime time)
 {
-    return (float32)time / (176 - lbl_803CE1D8);
+    return (float32)time / (GET_BUS_FREQUENCY() / 4);
 }
 
-#endif
-
 float32 iTimeDiffSec(iTime t0, iTime t1)
 {
     return iTimeDiffSec(t1 - t0);