diff --git a/src/tgbaalgos/sccfilter.cc b/src/tgbaalgos/sccfilter.cc
index a7d20fc7d..e5710fbf3 100644
--- a/src/tgbaalgos/sccfilter.cc
+++ b/src/tgbaalgos/sccfilter.cc
@@ -19,7 +19,6 @@
 
 #include "sccfilter.hh"
 #include "reachiter.hh"
-#include "scc.hh"
 #include "sccinfo.hh"
 
 namespace spot
diff --git a/src/tgbaalgos/sccfilter.hh b/src/tgbaalgos/sccfilter.hh
index 5001c5667..b63b669db 100644
--- a/src/tgbaalgos/sccfilter.hh
+++ b/src/tgbaalgos/sccfilter.hh
@@ -26,7 +26,6 @@
 
 namespace spot
 {
-  class scc_map;
   class scc_info;