Removed include from receiver.h
diff --git a/include/grgsm/receiver/receiver.h b/include/grgsm/receiver/receiver.h
index 97297ca..e19fe7a 100644
--- a/include/grgsm/receiver/receiver.h
+++ b/include/grgsm/receiver/receiver.h
@@ -26,7 +26,6 @@
 
 #include <grgsm/api.h>
 #include <gnuradio/block.h>
-#include <gnuradio/feval.h>
 #include <gnuradio/sync_block.h>
 #include <vector>