diff --git a/src/descrambler/descrambler.c b/src/descrambler/descrambler.c
index 964dcf7e..275363e2 100755
--- a/src/descrambler/descrambler.c
+++ b/src/descrambler/descrambler.c
@@ -274,7 +274,7 @@ descrambler_descramble ( service_t *t,
         }
         tvhcsa_descramble(td->td_csa,
                           (mpegts_service_t *)td->td_service,
-                          st, tsb2);
+                          tsb2);
       }
       sbuf_free(&dr->dr_buf);
     }
@@ -289,7 +289,7 @@ forbid:
     }
     tvhcsa_descramble(td->td_csa,
                       (mpegts_service_t *)td->td_service,
-                      st, tsb);
+                      tsb);
     return 1;
   }
   if (dr->dr_ecm_start) { /* ECM sent */
diff --git a/src/descrambler/tvhcsa.c b/src/descrambler/tvhcsa.c
index 3886d5cd..3649795d 100644
--- a/src/descrambler/tvhcsa.c
+++ b/src/descrambler/tvhcsa.c
@@ -26,8 +26,7 @@
 
 void
 tvhcsa_descramble
-  ( tvhcsa_t *csa, struct mpegts_service *s, struct elementary_stream *st,
-    const uint8_t *tsb )
+  ( tvhcsa_t *csa, struct mpegts_service *s, const uint8_t *tsb )
 {
 #if ENABLE_DVBCSA
   uint8_t *pkt;
diff --git a/src/descrambler/tvhcsa.h b/src/descrambler/tvhcsa.h
index e0e4f7c9..b14acf0f 100644
--- a/src/descrambler/tvhcsa.h
+++ b/src/descrambler/tvhcsa.h
@@ -75,8 +75,7 @@ typedef struct tvhcsa
 
 void
 tvhcsa_descramble
-  ( tvhcsa_t *csa, struct mpegts_service *s, struct elementary_stream *st,
-    const uint8_t *tsb );
+  ( tvhcsa_t *csa, struct mpegts_service *s, const uint8_t *tsb );
 
 void tvhcsa_init    ( tvhcsa_t *csa );
 void tvhcsa_destroy ( tvhcsa_t *csa );