diff --git a/src/al-util.h b/src/al-util.h
index 7b1a85d..036f18e 100644
--- a/src/al-util.h
+++ b/src/al-util.h
@@ -23,8 +23,6 @@
 #define ALUTIL_H
 
 #include <al.h>
-#include <alc.h>
-#include <alext.h>
 
 namespace AL
 {
diff --git a/src/audio.cpp b/src/audio.cpp
index ead1e6a..0a757d5 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -65,9 +65,6 @@ static uint8_t formatSampleSize(int sdlFormat)
 	case AUDIO_S16MSB :
 		return 2;
 
-	case AUDIO_F32 :
-		return 4;
-
 	default:
 		Debug() << "Unhandled sample format";
 		abort();
@@ -94,13 +91,6 @@ static ALenum chooseALFormat(int sampleSize, int channelCount)
 		case 2 : return AL_FORMAT_STEREO16;
 		default : abort();
 		}
-	case 4 :
-		switch (channelCount)
-		{
-		case 1 : return AL_FORMAT_MONO_FLOAT32;
-		case 2 : return AL_FORMAT_STEREO_FLOAT32;
-		default : abort();
-		}
 	default : abort();
 	}