diff --git a/sdrbase/dsp/projector.h b/sdrbase/dsp/projector.h
index 1370fca44..38db2f402 100644
--- a/sdrbase/dsp/projector.h
+++ b/sdrbase/dsp/projector.h
@@ -17,8 +17,6 @@
 
 #include "dsptypes.h"
 
-class SymbolSynchronizer;
-
 class Projector
 {
 public:
@@ -49,5 +47,4 @@ private:
     Real m_prevArg;
     Real *m_cache;
     bool m_cacheMaster;
-    SymbolSynchronizer *m_symSync;
 };