diff --git a/neo/sys/sys_public.h b/neo/sys/sys_public.h
index 6a15e524..d5679d1c 100644
--- a/neo/sys/sys_public.h
+++ b/neo/sys/sys_public.h
@@ -58,13 +58,6 @@ typedef enum {
 	FPU_PRECISION_DOUBLE_EXTENDED		= 2
 } fpuPrecision_t;
 
-typedef enum {
-	FPU_ROUNDING_TO_NEAREST				= 0,
-	FPU_ROUNDING_DOWN					= 1,
-	FPU_ROUNDING_UP						= 2,
-	FPU_ROUNDING_TO_ZERO				= 3
-} fpuRounding_t;
-
 typedef enum {
 	AXIS_SIDE,
 	AXIS_FORWARD,
@@ -167,9 +160,6 @@ void			Sys_FPU_EnableExceptions( int exceptions );
 // sets the FPU precision
 void			Sys_FPU_SetPrecision( int precision );
 
-// sets the FPU rounding mode
-void			Sys_FPU_SetRounding( int rounding );
-
 // sets Flush-To-Zero mode
 void			Sys_FPU_SetFTZ( bool enable );
 
diff --git a/neo/sys/win32/win_cpu.cpp b/neo/sys/win32/win_cpu.cpp
index a37ca854..438d807e 100644
--- a/neo/sys/win32/win_cpu.cpp
+++ b/neo/sys/win32/win_cpu.cpp
@@ -297,27 +297,3 @@ void Sys_FPU_SetPrecision( int precision ) {
 	}
 #endif
 }
-
-/*
-================
-Sys_FPU_SetRounding
-================
-*/
-void Sys_FPU_SetRounding( int rounding ) {
-#ifdef _MSC_VER
-	short roundingBitTable[4] = { 0, 1, 2, 3 };
-	short roundingBits = roundingBitTable[rounding & 3] << 10;
-	short roundingMask = ~( ( 1 << 11 ) | ( 1 << 10 ) );
-
-	__asm {
-		mov			eax, statePtr
-		mov			cx, roundingBits
-		fnstcw		word ptr [eax]
-		mov			bx, word ptr [eax]
-		and			bx, roundingMask
-		or			bx, cx
-		mov			word ptr [eax], bx
-		fldcw		word ptr [eax]
-	}
-#endif
-}