diff --git a/src/posix/cocoa/i_system.mm b/src/posix/cocoa/i_system.mm
index 3390d65ba04..cc9dc613a18 100644
--- a/src/posix/cocoa/i_system.mm
+++ b/src/posix/cocoa/i_system.mm
@@ -56,11 +56,6 @@
 uint32_t LanguageIDs[4];
 
 
-int (*I_GetTime)(bool saveMS);
-int (*I_WaitForTic)(int);
-void (*I_FreezeTime)(bool frozen);
-
-
 void I_Tactile(int /*on*/, int /*off*/, int /*total*/)
 {
 }
diff --git a/src/win32/i_system.cpp b/src/win32/i_system.cpp
index 4a26b24be56..a537329e405 100644
--- a/src/win32/i_system.cpp
+++ b/src/win32/i_system.cpp
@@ -119,10 +119,6 @@ extern void LayoutMainWindow(HWND hWnd, HWND pane);
 
 static void CalculateCPUSpeed();
 
-static int I_GetTimePolled(bool saveMS);
-static int I_WaitForTicPolled(int prevtic);
-static void I_FreezeTimePolled(bool frozen);
-
 static HCURSOR CreateCompatibleCursor(FTexture *cursorpic);
 static HCURSOR CreateAlphaCursor(FTexture *cursorpic);
 static HCURSOR CreateBitmapCursor(int xhot, int yhot, HBITMAP and_mask, HBITMAP color_mask);