diff --git a/libs/codec/gsm/configure.in b/libs/codec/gsm/configure.in
index c72f526154..0a95896b9d 100644
--- a/libs/codec/gsm/configure.in
+++ b/libs/codec/gsm/configure.in
@@ -5,7 +5,6 @@ AC_PREREQ(2.59)
 AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS)
 AM_INIT_AUTOMAKE(libgsm,0.1)
 AC_CONFIG_SRCDIR([src])
-#AC_CONFIG_HEADER([])
 
 # Checks for programs.
 AC_PROG_CC
diff --git a/libs/libteletone/configure.in b/libs/libteletone/configure.in
index 6dd5da179f..7ed1bfdf8a 100755
--- a/libs/libteletone/configure.in
+++ b/libs/libteletone/configure.in
@@ -6,7 +6,6 @@ AC_INIT(libteletone, 0.1, BUG-REPORT-ADDRESS)
 AC_CONFIG_AUX_DIR(build)
 AM_INIT_AUTOMAKE(libteletone,0.1)
 AC_CONFIG_SRCDIR([src])
-#AC_CONFIG_HEADER([])
 
 # Checks for programs.
 AC_PROG_CC