diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b8dc89..15353e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -51,10 +51,10 @@ if(ALSA_FOUND)
 		PRIVATE
 		${ALSA_LIBRARIES} pthread
 	)
-	target_sources(
+	target_compile_definitions(
 		MDEAudio
 		PRIVATE
-		src/audio/driver/alsa.c
+		USE_ALSA
 	)
 endif()
 
diff --git a/src/audio/driver/alsa.c b/src/audio/drv_alsa.c
similarity index 100%
rename from src/audio/driver/alsa.c
rename to src/audio/drv_alsa.c
diff --git a/src/audio/mixer.c b/src/audio/mixer.c
deleted file mode 100644
index e69de29..0000000