diff --git a/Makefile.am b/Makefile.am
index b1fab38..df19a20 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -53,23 +53,14 @@ MISDN_LIB = -lmisdn
 
 endif
 
-SUBDIRS =
-
 GSM_INCLUDE =
 GSM_SOURCE =
 GSM_LIB =
 
 if ENABLE_GSM
 
-#if ENABLE_GSMFR
-
 GSM_INCLUDE += -DWITH_GSMFR
-
-GSM_LIB += libgsmfr/lib/libgsm.a
-
-SUBDIRS += libgsmfr
-
-#endif
+GSM_LIB += -lgsm
 
 if ENABLE_GSMHR
 
@@ -205,14 +196,6 @@ TONEDIRS = tones_american tones_efi tones_german vbox_english vbox_german
 EXTRA_DIST = default debian $(TONEDIRS)
 
 install-data-hook:
-	@fns='strcpy strncpy strcat strncat sprintf snprintf' ; \
-	files=$$( find $(srcdir) -type f -name "*.c*" \
-	  | $(GREP) -v -e chan_lcr.c -e callerid.c ) ; \
-	test -z "$$files" || { for fn in $$fns ; do \
-	  $(GREP) -n $$fn $$files ; if test $$? = 0 ; then \
-	    ( echo "dont use $$fn, use makro instead." ; exit -1 ) ; \
-	  fi ; \
-	done ; }
 	mkdir -p '$(DESTDIR)$(CONFIGdir)'
 	mkdir -p '$(DESTDIR)$(SHAREdir)'
 	mkdir -p '$(DESTDIR)$(LOGdir)'