diff --git a/inc/versionhelpers.h b/inc/versionhelpers.h
index 21e3ced..116f0f4 100644
--- a/inc/versionhelpers.h
+++ b/inc/versionhelpers.h
@@ -33,11 +33,6 @@ void verhelp_init();
 BOOL verhelp_verify_version(PRTL_OSVERSIONINFOEXW versionInfo, ULONG typeMask, ULONGLONG conditionMask);
 const char* verhelp_wine_get_version();
 void verhelp_wine_get_host_version(const char** sysname, const char** release);
-BOOL verhelp_is_wine();
-BOOL verhelp_is_macos();
-BOOL verhelp_is_linux();
-
-/* Original MS Functions */
 
 VERSIONHELPERAPI IsWindowsVersionOrGreater(DWORD major, DWORD minor, DWORD build, WORD servpack)
 {
@@ -111,4 +106,24 @@ VERSIONHELPERAPI IsWindowsServer(void) {
     return !verhelp_verify_version(&vi, VER_PRODUCT_TYPE, VerSetConditionMask(0, VER_PRODUCT_TYPE, VER_EQUAL));
 }
 
+VERSIONHELPERAPI IsWine(void) {
+    return verhelp_wine_get_version() != NULL;
+}
+
+VERSIONHELPERAPI IsMacOS(void) {
+    const char* sysname = NULL;
+    const char* release = NULL;
+    verhelp_wine_get_host_version(&sysname, &release);
+
+    return sysname && _strcmpi(sysname, "Darwin") == 0;
+}
+
+VERSIONHELPERAPI IsLinux(void) {
+    const char* sysname = NULL;
+    const char* release = NULL;
+    verhelp_wine_get_host_version(&sysname, &release);
+
+    return sysname && _strcmpi(sysname, "Linux") == 0;
+}
+
 #endif
diff --git a/src/config.c b/src/config.c
index 31cbad5..49118e5 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1150,7 +1150,7 @@ static DWORD cfg_get_string(LPCSTR key, LPCSTR default_value, LPSTR out_string,
 {
     char buf[MAX_PATH] = { 0 };
 
-    if (verhelp_is_wine())
+    if (IsWine())
     {
         char section[MAX_PATH] = { 0 };
         _snprintf(section, sizeof(section) - 1, "%s/wine", g_config.process_file_name);
diff --git a/src/dd.c b/src/dd.c
index c2948c6..576a521 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -875,7 +875,7 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
         if (g_config.remove_menu && GetMenu(g_ddraw.hwnd))
             SetMenu(g_ddraw.hwnd, NULL);
 
-        if (!verhelp_is_wine())
+        if (!IsWine())
         {
             MSG msg; /* workaround for "Not Responding" window problem in cnc games */
             real_PeekMessageA(&msg, g_ddraw.hwnd, 0, 0, PM_NOREMOVE | PM_QS_INPUT);
@@ -905,7 +905,7 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
             real_SetWindowLongA(g_ddraw.hwnd, GWL_EXSTYLE, exstyle & ~(WS_EX_TOOLWINDOW));
         }
 
-        if (verhelp_is_wine())
+        if (IsWine())
         {
             real_SetWindowLongA(
                 g_ddraw.hwnd,
@@ -1053,7 +1053,7 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
                 Fix wayland bug: 
                 ChangeDisplaySettings fails silently - enable borderless mode in case display resolution was not changed 
             */
-            if (verhelp_is_wine() &&
+            if (IsWine() &&
                 (g_ddraw.render.mode.dmPelsWidth != real_GetSystemMetrics(SM_CXSCREEN) || 
                     g_ddraw.render.mode.dmPelsHeight != real_GetSystemMetrics(SM_CYSCREEN)))
             {
@@ -1066,7 +1066,7 @@ HRESULT dd_SetDisplayMode(DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, DWORD dwFl
             }
         }
 
-        if (verhelp_is_wine())
+        if (IsWine())
         {
             real_SetWindowLongA(
                 g_ddraw.hwnd, 
@@ -1273,7 +1273,7 @@ HRESULT dd_WaitForVerticalBlank(DWORD dwFlags, HANDLE hEvent)
     if (g_config.maxgameticks == -2)
     {
         /* Workaround for DwmFlush() freeze (e.g. slow alt+tab) issue on windows 7 SP1 */
-        if (g_ddraw.renderer == ogl_render_main && !verhelp_is_wine() && !IsWindows8OrGreater())
+        if (g_ddraw.renderer == ogl_render_main && !IsWine() && !IsWindows8OrGreater())
         {
             if (fpsl_wait_for_vblank())
                 return DD_OK;
@@ -1556,7 +1556,7 @@ HRESULT dd_CreateEx(GUID* lpGuid, LPVOID* lplpDD, REFIID iid, IUnknown* pUnkOute
         }
         else /* auto */
         {
-            if (!verhelp_is_wine() && d3d9_is_available())
+            if (!IsWine() && d3d9_is_available())
             {
                 g_ddraw.renderer = d3d9_render_main;
             }
diff --git a/src/ddsurface.c b/src/ddsurface.c
index e188cba..6b9ab6b 100644
--- a/src/ddsurface.c
+++ b/src/ddsurface.c
@@ -958,7 +958,7 @@ HRESULT dds_Lock(
 
     dbg_dump_dds_lock_flags(dwFlags);
 
-    if (g_ddraw.ref && g_config.fixnotresponding && !verhelp_is_wine())
+    if (g_ddraw.ref && g_config.fixnotresponding && !IsWine())
     {
         MSG msg; /* workaround for "Not Responding" window problem */
         real_PeekMessageA(&msg, g_ddraw.hwnd, 0, 0, PM_NOREMOVE);
diff --git a/src/debug.c b/src/debug.c
index bc840b8..a25916a 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -131,7 +131,7 @@ void dbg_init()
             RegCloseKey(hkey);
         }
 
-        if (verhelp_is_wine())
+        if (IsWine())
         {
             TRACE("Wine version = %s\n", verhelp_wine_get_version());
 
diff --git a/src/fps_limiter.c b/src/fps_limiter.c
index 8ea5992..14c4394 100644
--- a/src/fps_limiter.c
+++ b/src/fps_limiter.c
@@ -157,7 +157,7 @@ void fpsl_frame_end()
         (g_config.vsync && (!g_config.maxfps || g_config.maxfps >= g_ddraw.mode.dmDisplayFrequency)))
     {
         /* Workaround for DwmFlush() freeze (e.g. slow alt+tab) issue on windows 7 SP1 */
-        if (g_ddraw.renderer == ogl_render_main && !verhelp_is_wine() && !IsWindows8OrGreater())
+        if (g_ddraw.renderer == ogl_render_main && !IsWine() && !IsWindows8OrGreater())
         {
             if (fpsl_wait_for_vblank())
                 return;
diff --git a/src/opengl_utils.c b/src/opengl_utils.c
index da6e7c7..9e63d8a 100644
--- a/src/opengl_utils.c
+++ b/src/opengl_utils.c
@@ -213,7 +213,7 @@ void oglu_init()
         glEnableVertexAttribArray && glUniform2fv && glUniformMatrix4fv && glGenVertexArrays && glBindVertexArray &&
         glGetUniformLocation;
 
-    if (verhelp_is_wine() && glversion && glversion[0] == '2') // macOS
+    if (IsWine() && glversion && glversion[0] == '2') // macOS
     {
         g_oglu_got_version3 = FALSE;
         wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)xwglGetProcAddress("wglCreateContextAttribsARB");
diff --git a/src/versionhelpers.c b/src/versionhelpers.c
index 5752591..dc4b450 100644
--- a/src/versionhelpers.c
+++ b/src/versionhelpers.c
@@ -47,26 +47,3 @@ void verhelp_wine_get_host_version(const char** sysname, const char** release)
     if (release)
         *release = NULL;
 }
-
-BOOL verhelp_is_wine()
-{
-    return wine_get_version != NULL;
-}
-
-BOOL verhelp_is_macos()
-{
-    const char* sysname = NULL;
-    const char* release = NULL;
-    verhelp_wine_get_host_version(&sysname, &release);
-
-    return sysname && _strcmpi(sysname, "Darwin") == 0;
-}
-
-BOOL verhelp_is_linux()
-{
-    const char* sysname = NULL;
-    const char* release = NULL;
-    verhelp_wine_get_host_version(&sysname, &release);
-
-    return sysname && _strcmpi(sysname, "Linux") == 0;
-}
diff --git a/src/wndproc.c b/src/wndproc.c
index f983186..69e9d4b 100644
--- a/src/wndproc.c
+++ b/src/wndproc.c
@@ -229,7 +229,7 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
             pos->hwndInsertAfter, pos->x, pos->y, pos->cx, pos->cy);
         */
 
-        if (verhelp_is_wine() &&
+        if (IsWine() &&
             !g_config.windowed &&
             (pos->x > 0 || pos->y > 0) &&
             g_ddraw.last_set_window_pos_tick + 500 < timeGetTime())
@@ -463,7 +463,7 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
                 util_update_bnet_pos(x, y);
             }
 
-            if (in_size_move || (verhelp_is_wine() && !g_config.fullscreen && g_ddraw.render.thread))
+            if (in_size_move || (IsWine() && !g_config.fullscreen && g_ddraw.render.thread))
             {
                 if (x != -32000)
                     g_config.window_rect.left = x; /* -32000 = Exit/Minimize */
@@ -480,7 +480,7 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
     }
     case WM_NCMOUSELEAVE:
     {
-        if (!verhelp_is_wine()) /* hack: disable aero snap */
+        if (!IsWine()) /* hack: disable aero snap */
         {
             LONG style = real_GetWindowLongA(g_ddraw.hwnd, GWL_STYLE);
 
@@ -493,7 +493,7 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
     }
     case WM_SYSCOMMAND:
     {
-        if ((wParam & ~0x0F) == SC_MOVE && !verhelp_is_wine()) /* hack: disable aero snap */
+        if ((wParam & ~0x0F) == SC_MOVE && !IsWine()) /* hack: disable aero snap */
         {
             LONG style = real_GetWindowLongA(g_ddraw.hwnd, GWL_STYLE);
 
@@ -634,7 +634,7 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
 
             mouse_unlock();
 
-            if (verhelp_is_wine() && g_ddraw.last_set_window_pos_tick + 500 > timeGetTime())
+            if (IsWine() && g_ddraw.last_set_window_pos_tick + 500 > timeGetTime())
                 return 0;
 
             if (!g_config.windowed)