diff --git a/backends/midi/timidity.cpp b/backends/midi/timidity.cpp
index dd76196ae098..84d2846eda2a 100644
--- a/backends/midi/timidity.cpp
+++ b/backends/midi/timidity.cpp
@@ -560,4 +560,4 @@ Common::Error TimidityMusicPlugin::createInstance(MidiDriver **mididriver, MidiD
 	REGISTER_PLUGIN_STATIC(TIMIDITY, PLUGIN_TYPE_MUSIC, TimidityMusicPlugin);
 //#endif
 
-#endif // defined (UNIX)
+#endif // defined (USE_TIMIDITY)
diff --git a/backends/plugins/sdl/sdl-provider.h b/backends/plugins/sdl/sdl-provider.h
index b546b028a2e9..350261a37ffc 100644
--- a/backends/plugins/sdl/sdl-provider.h
+++ b/backends/plugins/sdl/sdl-provider.h
@@ -35,6 +35,6 @@ class SDLPluginProvider : public FilePluginProvider {
 	Plugin* createPlugin(const Common::FSNode &node) const;
 };
 
-#endif // defined(DYNAMIC_MODULES) && defined(UNIX)
+#endif // defined(DYNAMIC_MODULES) && defined(SDL_BACKEND)
 
 #endif