diff --git a/Transceiver52M/sigProcLib.h b/Transceiver52M/sigProcLib.h
index 3aaa62b..8e8c48f 100644
--- a/Transceiver52M/sigProcLib.h
+++ b/Transceiver52M/sigProcLib.h
@@ -17,10 +17,7 @@
 
 #include "Vector.h"
 #include "Complex.h"
-#include "GSMTransfer.h"
-
-
-using namespace GSM;
+#include "BitVector.h"
 
 /** Indicated signalVector symmetry */
 enum Symmetry {