diff --git a/libs/freetdm/Makefile.am b/libs/freetdm/Makefile.am
index bc92e1db58..af26f7f2af 100644
--- a/libs/freetdm/Makefile.am
+++ b/libs/freetdm/Makefile.am
@@ -55,10 +55,6 @@ COMPILE   = $(CC) $(FTDM_CFLAGS)
 LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(COMPILE)
 LINK      = $(LIBTOOL) --mode=link --tag=CC $(CC) $(FTDM_CFLAGS) $(LDFLAGS) -o $@
 
-if WANT_DEBUGDTMF
-FTDM_CFLAGS += -DFTDM_DEBUG_DTMF
-endif
-
 
 #
 # GNU pkgconfig file
diff --git a/libs/freetdm/configure.ac b/libs/freetdm/configure.ac
index 6b9287d791..592dfd82a3 100644
--- a/libs/freetdm/configure.ac
+++ b/libs/freetdm/configure.ac
@@ -167,17 +167,6 @@ AC_ARG_WITH([pritap],
 HAVE_PRITAP="${enable_pritap}"
 AM_CONDITIONAL([HAVE_PRITAP],[test "${enable_pritap}" = "yes"])
 
-# debug dtmf?
-AC_ARG_WITH([debugdtmf],
-	[AS_HELP_STRING([--with-debugdtmf], [Debug DTMF])],
-	[case "${withval}" in
-	 no)	enable_debugdtmf="no" ;;
-	 *)	enable_debugdtmf="yes" ;;
-	 esac],
-	[enable_debugdtmf="no"]
-)
-AM_CONDITIONAL([WANT_DEBUGDTMF], [test "${enable_debugdtmf}" = "yes"])
-
 ##
 # OpenR2 stack
 #