diff --git a/apps/openmw/main.cpp b/apps/openmw/main.cpp
index 901d9ad42..dc58daed9 100644
--- a/apps/openmw/main.cpp
+++ b/apps/openmw/main.cpp
@@ -12,8 +12,6 @@
 #include <boost/iostreams/stream_buffer.hpp>
 #include <boost/filesystem/fstream.hpp>
 
-#include <OgrePlatform.h>
-
 #if defined(_WIN32)
 // For OutputDebugString
 #define WIN32_LEAN_AND_MEAN
@@ -23,17 +21,18 @@
 #endif
 
 
-#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX || OGRE_PLATFORM == OGRE_PLATFORM_APPLE
+#if (defined(__APPLE__) || defined(__linux) || defined(__unix) || defined(__posix))
+    #define USE_CRASH_CATCHER 1
+#else
+    #define USE_CRASH_CATCHER 0
+#endif
+
+#if USE_CRASH_CATCHER
 #include <csignal>
 extern int cc_install_handlers(int argc, char **argv, int num_signals, int *sigs, const char *logfile, int (*user_info)(char*, char*));
 extern int is_debugger_attached(void);
 #endif
 
-// for Ogre::macBundlePath
-#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
-#include <OSX/macUtils.h>
-#endif
-
 #include <boost/version.hpp>
 /**
  * Workaround for problems with whitespaces in paths in older versions of Boost library
@@ -364,7 +363,7 @@ int main(int argc, char**argv)
 #endif
 
 
-#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX || OGRE_PLATFORM == OGRE_PLATFORM_APPLE
+#if USE_CRASH_CATCHER
         // Unix crash catcher
         if ((argc == 2 && strcmp(argv[1], "--cc-handle-crash") == 0) || !is_debugger_attached())
         {
@@ -376,10 +375,10 @@ int main(int argc, char**argv)
             std::cout << "Running in a debugger, not installing crash catcher" << std::endl;
 #endif
 
-#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
-        // set current dir to bundle path
-        boost::filesystem::path bundlePath = boost::filesystem::path(Ogre::macBundlePath()).parent_path();
-        boost::filesystem::current_path(bundlePath);
+#ifdef __APPLE__
+        // FIXME: set current dir to bundle path
+        //boost::filesystem::path bundlePath = boost::filesystem::path(Ogre::macBundlePath()).parent_path();
+        //boost::filesystem::current_path(bundlePath);
 #endif
 
         engine.reset(new OMW::Engine(cfgMgr));
@@ -391,7 +390,7 @@ int main(int argc, char**argv)
     }
     catch (std::exception &e)
     {
-#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX || OGRE_PLATFORM == OGRE_PLATFORM_APPLE
+#if (defined(__APPLE__) || defined(__linux) || defined(__unix) || defined(__posix))
         if (!isatty(fileno(stdin)))
 #endif
             SDL_ShowSimpleMessageBox(0, "OpenMW: Fatal error", e.what(), NULL);
diff --git a/components/files/lowlevelfile.hpp b/components/files/lowlevelfile.hpp
index d94238ad6..b2634d8c7 100644
--- a/components/files/lowlevelfile.hpp
+++ b/components/files/lowlevelfile.hpp
@@ -1,17 +1,15 @@
 #ifndef COMPONENTS_FILES_LOWLEVELFILE_HPP
 #define COMPONENTS_FILES_LOWLEVELFILE_HPP
 
-#include <OgrePlatform.h>
-
 #include <cstdlib>
 
 #define FILE_API_STDIO  0
 #define FILE_API_POSIX  1
 #define FILE_API_WIN32  2
 
-#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
+#if defined(__linux) || defined(__unix) || defined(__posix)
 #define FILE_API    FILE_API_POSIX
-#elif OGRE_PLATFORM == OGRE_PLATFORM_WIN32
+#elif defined(_WIN32)
 #define FILE_API    FILE_API_WIN32
 #else
 #define FILE_API    FILE_API_STDIO