diff --git a/Core/HLE/sceKernel.cpp b/Core/HLE/sceKernel.cpp
index 70d1f13ca6..3115991370 100644
--- a/Core/HLE/sceKernel.cpp
+++ b/Core/HLE/sceKernel.cpp
@@ -869,6 +869,11 @@ const HLEFunction ThreadManForUser[] =
 
 	// Shouldn't hook this up. No games should import this function manually and call it.
 	// {0x6E9EA350, _sceKernelReturnFromCallback,"_sceKernelReturnFromCallback"},
+	{0X71EC4271, &WrapU_UU<sceKernelLibcGettimeofday>,               "sceKernelLibcGettimeofday",               'x', "xx" },
+	{0X79D1C3FA, &WrapI_V<sceKernelDcacheWritebackAll>,              "sceKernelDcacheWritebackAll",             'i', "" },
+	{0X91E4F6A7, &WrapU_V<sceKernelLibcClock>,                       "sceKernelLibcClock",                      'x', "" },
+	{0XB435DEC5, &WrapI_V<sceKernelDcacheWritebackInvalidateAll>,    "sceKernelDcacheWritebackInvalidateAll",   'i', "" },
+
 };
 
 const HLEFunction ThreadManForKernel[] =