diff --git a/autogen.sh b/autogen.sh
index 47c9baa2215201ef4b04c53cd94067e69b7e784b..e63f71ddd78137734c54388664397300f863b2bd 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,4 +6,3 @@ libtoolize --force
 autoheader
 autoconf -f
 automake -a
-./configure --prefix=/usr --with-debug
diff --git a/sflphone-gtk/autogen.sh b/sflphone-gtk/autogen.sh
index 47c9baa2215201ef4b04c53cd94067e69b7e784b..e63f71ddd78137734c54388664397300f863b2bd 100755
--- a/sflphone-gtk/autogen.sh
+++ b/sflphone-gtk/autogen.sh
@@ -6,4 +6,3 @@ libtoolize --force
 autoheader
 autoconf -f
 automake -a
-./configure --prefix=/usr --with-debug