1 files changed, 0 insertions, 15 deletions
diff --git a/src/lib/util.h b/src/lib/util.h
index bd9eaf96e..fd11fffbd 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -51,10 +51,6 @@ namespace dcp {
 	class SoundAsset;
 }
 
-#ifndef M_PI
-#define M_PI (3.14159265358979323846)
-#endif
-
 /** The maximum number of audio channels that we can have in a DCP */
 #define MAX_DCP_AUDIO_CHANNELS 16
 /** Message broadcast to find possible encoding servers */
@@ -152,15 +148,4 @@ list_to_vector (std::list<T> v)
 	return l;
 }
 
-extern double db_to_linear (double db);
-extern double linear_to_db (double linear);
-
-
-template <class T>
-T clamp (T val, T minimum, T maximum)
-{
-	return std::max(std::min(val, maximum), minimum);
-}
-
-
 #endif