diff --git a/source/lib/sysdep/os/win/wcpu.cpp b/source/lib/sysdep/os/win/wcpu.cpp
index ceeae73af3..e4d890d13f 100644
--- a/source/lib/sysdep/os/win/wcpu.cpp
+++ b/source/lib/sysdep/os/win/wcpu.cpp
@@ -148,11 +148,11 @@ size_t os_cpu_LargePageSize()
 }
 
 
-static void GetMemoryStatus(MEMORYSTATUSEX& mse)
+static void GetMemoryStatusEx(MEMORYSTATUSEX& mse)
 {
 	// note: we no longer bother dynamically importing GlobalMemoryStatusEx -
-	// it's available on Win2k and above. this function safely handles
-	// systems with > 4 GB of memory.
+	// it's available starting with Win2k and avoids overflow/wraparound
+	// on systems with >= 4 GB of memory.
 	mse.dwLength = sizeof(mse);
 	const BOOL ok = GlobalMemoryStatusEx(&mse);
 	WARN_IF_FALSE(ok);
@@ -165,7 +165,7 @@ size_t os_cpu_MemorySize()
 	if(memorySizeMiB == 0)
 	{
 		MEMORYSTATUSEX mse;
-		GetMemoryStatus(mse);
+		GetMemoryStatusEx(mse);
 		DWORDLONG memorySize = mse.ullTotalPhys;
 
 		// Richter, "Programming Applications for Windows": the reported
@@ -184,7 +184,7 @@ size_t os_cpu_MemorySize()
 size_t os_cpu_MemoryAvailable()
 {
 	MEMORYSTATUSEX mse;
-	GetMemoryStatus(mse);
+	GetMemoryStatusEx(mse);
 	const size_t memoryAvailableMiB = size_t(mse.ullAvailPhys / MiB);
 	return memoryAvailableMiB;
 }
diff --git a/source/lib/sysdep/os/win/wposix/wposix.cpp b/source/lib/sysdep/os/win/wposix/wposix.cpp
index c6ab0a9fd7..bebf64d8bc 100644
--- a/source/lib/sysdep/os/win/wposix/wposix.cpp
+++ b/source/lib/sysdep/os/win/wposix/wposix.cpp
@@ -30,8 +30,6 @@
 #include "lib/sysdep/os/win/wposix/wposix_internal.h"
 #include "lib/bits.h"
 
-WINIT_REGISTER_CRITICAL_INIT(wposix_Init);	// wposix -> error handling
-
 
 int setenv(const char* envname, const char* envval, int overwrite)
 {
@@ -46,101 +44,3 @@ int setenv(const char* envname, const char* envval, int overwrite)
 
 	return 0;
 }
-
-
-//-----------------------------------------------------------------------------
-// sysconf
-
-// used by _SC_PAGESIZE and _SC_*_PAGES
-static DWORD pageSize;
-static DWORD numProcessors;
-typedef BOOL (WINAPI *PGlobalMemoryStatusEx)(MEMORYSTATUSEX*);  
-static PGlobalMemoryStatusEx pGlobalMemoryStatusEx;
-
-// NB: called from critical init
-static void InitSysconf()
-{
-	SYSTEM_INFO si;
-	GetSystemInfo(&si);	// can't fail
-	pageSize      = si.dwPageSize;	// used by _SC_PAGESIZE and _SC_*_PAGES
-	numProcessors = si.dwNumberOfProcessors;
-
-	// import GlobalMemoryStatusEx - it's not defined by the VC6 PSDK.
-	// used by _SC_*_PAGES if available (provides better results).
-	const HMODULE hKernel32Dll = GetModuleHandleW(L"kernel32.dll");  
-	pGlobalMemoryStatusEx = (PGlobalMemoryStatusEx)GetProcAddress(hKernel32Dll, "GlobalMemoryStatusEx"); 
-}
-
-long sysconf(int name)
-{
-	// called before InitSysconf => winit/wstartup are broken. this is
-	// going to cause a hard crash because debug.cpp's error reporting
-	// code requires the page size to be known. we'll raise an exception
-	// with a unique value so that this issue is immediately noticed.
-	if(!pageSize)
-		RaiseException(0xFA57FA57, 0, 0, 0);
-
-	switch(name)
-	{
-	case _SC_PAGESIZE:
-	// note: no separate case for _SC_PAGE_SIZE - they are
-	// different names but have the same value.
-		return pageSize;
-
-	case _SC_PHYS_PAGES:
-	case _SC_AVPHYS_PAGES:
-		{
-		u64 total_phys_mem;
-		u64 avail_phys_mem;
-
-		// first query GlobalMemoryStatus - cannot fail.
-		// override its results if GlobalMemoryStatusEx is available.
-		{
-		MEMORYSTATUS ms;
-		GlobalMemoryStatus(&ms);
-		total_phys_mem = ms.dwTotalPhys;
-		avail_phys_mem = ms.dwAvailPhys;
-		}
-
-		// newer API is available: use it to report correct results
-		// (no overflow or wraparound) on systems with > 4 GB of memory.
-		{
-		MEMORYSTATUSEX mse = { sizeof(mse) };
-		if(pGlobalMemoryStatusEx && pGlobalMemoryStatusEx(&mse))
-		{
-			total_phys_mem = mse.ullTotalPhys;
-			avail_phys_mem = mse.ullAvailPhys;
-		}
-		// else: not an error, since this isn't available before Win2k / XP.
-		// we have results from GlobalMemoryStatus anyway.
-		}
-
-		// Richter, "Programming Applications for Windows": the reported
-		// value doesn't include non-paged pool reserved during boot;
-		// it's not considered available to kernel. (size is 528 KiB on
-		// a 512 MiB WinXP/Win2k machine)
-		// something similar may happen on other OSes, so it is fixed
-		// by cpu.cpp instead of here.
-
-		if(name == _SC_PHYS_PAGES)
-			return (long)(total_phys_mem / pageSize);
- 		else
-			return (long)(avail_phys_mem / pageSize);
-		}
-
-	case _SC_NPROCESSORS_CONF:
-		return numProcessors;
-
-	default:
-		return -1;
-	}
-}
-
-
-//-----------------------------------------------------------------------------
-
-static LibError wposix_Init()
-{
-	InitSysconf();
-	return INFO::OK;
-}
diff --git a/source/lib/sysdep/os/win/wposix/wposix.h b/source/lib/sysdep/os/win/wposix/wposix.h
index e15c26b4b6..aee067e5bc 100644
--- a/source/lib/sysdep/os/win/wposix/wposix.h
+++ b/source/lib/sysdep/os/win/wposix/wposix.h
@@ -55,20 +55,6 @@
 LIB_API int setenv(const char* envname, const char* envval, int overwrite);
 
 
-//
-// <unistd.h>
-//
-
-// user tests if available via #ifdef; can't use enum.
-#define _SC_PAGESIZE                   1
-#define _SC_PAGE_SIZE                  1
-#define _SC_PHYS_PAGES                 2
-#define _SC_AVPHYS_PAGES               3
-#define _SC_NPROCESSORS_CONF           4
-
-LIB_API long sysconf(int name);
-
-
 //
 // <math.h>
 //