diff --git a/configure.ac b/configure.ac
index 49c8879..0c8046c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,10 +49,6 @@ else
 	AC_DEFINE(USE_OPENGL,1,[use opengl instead of clutter])
 fi
 
-if test x"$BOXTYPE" = x"tripledragon"; then
-	PKG_CHECK_MODULES([DIRECTFB], [directfb])
-fi
-
 AC_ARG_ENABLE(gstreamer_01,
 	AS_HELP_STRING(--enable-gstreamer_01, use gstreamer 0.10 playback),
 	,[enable_gstreamer_01=no])
diff --git a/include/cs_api.h b/include/cs_api.h
index 721af3a..3c3bf47 100644
--- a/include/cs_api.h
+++ b/include/cs_api.h
@@ -1,5 +1,5 @@
-/* compatibility header for tripledragon. I'm lazy, so I just left it
-   as "cs_api.h" so that I don't need too many ifdefs in the code */
+/* compatibility header. I'm lazy, so I just left it as "cs_api.h"
+   so that I don't need too many ifdefs in the code */
 
 #ifndef __CS_API_H__
 #define __CS_API_H__
diff --git a/libarmbox/dmx.cpp b/libarmbox/dmx.cpp
index c54338d..2485167 100644
--- a/libarmbox/dmx.cpp
+++ b/libarmbox/dmx.cpp
@@ -2,8 +2,6 @@
  * cDemux implementation for arm receivers (tested on mutant hd51
  * hardware)
  *
- * derived from libtriple/dmx_td.cpp
- *
  * (C) 2010-2013 Stefan Seyfried
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/libgeneric-pc/dmx.cpp b/libgeneric-pc/dmx.cpp
index 806dd7e..2ed947e 100644
--- a/libgeneric-pc/dmx.cpp
+++ b/libgeneric-pc/dmx.cpp
@@ -1,8 +1,6 @@
 /*
  * cDemux implementation for generic dvbapi
  *
- * derived from libtriple/dmx_td.cpp
- *
  * (C) 2010-2013 Stefan Seyfried
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/libraspi/dmx.cpp b/libraspi/dmx.cpp
index 8101580..bee55c9 100644
--- a/libraspi/dmx.cpp
+++ b/libraspi/dmx.cpp
@@ -1,8 +1,6 @@
 /*
  * cDemux implementation for generic dvbapi
  *
- * derived from libtriple/dmx_td.cpp
- *
  * (C) 2010-2013 Stefan Seyfried
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/libspark/dmx.cpp b/libspark/dmx.cpp
index 87240ac..3556aa2 100644
--- a/libspark/dmx.cpp
+++ b/libspark/dmx.cpp
@@ -2,8 +2,6 @@
  * cDemux implementation for SH4 receivers (tested on fulan spark and
  * fulan spark7162 hardware)
  *
- * derived from libtriple/dmx_td.cpp
- *
  * (C) 2010-2013 Stefan Seyfried
  *
  * This program is free software; you can redistribute it and/or modify