diff --git a/rehlds/engine/sys_dll.cpp b/rehlds/engine/sys_dll.cpp
index 329ed09..22c6dee 100644
--- a/rehlds/engine/sys_dll.cpp
+++ b/rehlds/engine/sys_dll.cpp
@@ -212,15 +212,18 @@ enginefuncs_t g_engfuncsExportedToDlls;
 #ifdef _WIN32
 void Sys_SetupFPUOptions()
 {
+#ifndef __SSE__
 	static uint8 fpuOpts[32];
 
 	__asm { fnstenv byte ptr fpuOpts }
 	fpuOpts[0] |= 0x3Fu;
 	__asm { fldenv  byte ptr fpuOpts }
+#endif
 }
 
-NOINLINE void Sys_InitFPUControlWords()
+void Sys_InitFPUControlWords()
 {
+#ifndef __SSE__
 	int fpucw = 0;
 	__asm { fnstcw fpucw }
 
@@ -228,9 +231,10 @@ NOINLINE void Sys_InitFPUControlWords()
 	g_FPUCW_Mask_Prec_64Bit_2 = (fpucw & 0xF0FF) | 0x300;
 	g_FPUCW_Mask_Round_Trunc = (fpucw & 0xF0FF) | 0xC00;
 	g_FPUCW_Mask_Round_Up = (fpucw & 0xF0FF) | 0x800;
+#endif
 }
 
-void __cdecl Sys_SetStartTime()
+void Sys_SetStartTime()
 {
 	int startTimeArg;
 
@@ -277,15 +281,19 @@ void __cdecl Sys_InitHardwareTimer()
 }
 
 int g_SavedFPUCW1 = 0;
-NOINLINE void Sys_FPUCW_Push_Prec64() {
+void Sys_FPUCW_Push_Prec64() {
+#ifndef __SSE__
 	uint16 tmp = g_FPUCW_Mask_Prec_64Bit;
 	__asm { fnstcw  g_SavedFPUCW1 }
 	__asm { fldcw tmp }
+#endif
 }
 
-NOINLINE void Sys_FPUCW_Pop_Prec64() {
+void Sys_FPUCW_Pop_Prec64() {
+#ifndef __SSE__
 	uint16 tmp = g_SavedFPUCW1;
 	__asm { fldcw tmp }
+#endif
 }
 
 #endif // _WIN32