diff --git a/chapters/install.xml b/chapters/install.xml
index 087361d72e..e5b5794076 100644
--- a/chapters/install.xml
+++ b/chapters/install.xml
@@ -3538,7 +3538,7 @@ Paul Mckay.
     7.0.268 or newer. For the sake of this example we assume that
     Caudium is installed in /opt/caudium/server/.
 2.  Change directory to php-x.y.z (where x.y.z is the version number).
-3.  ./configure --with-caudium=/opt/caudium/server --enable-track-vars
+3.  ./configure --with-caudium=/opt/caudium/server
 4.  make
 5.  make install
 6.  Restart Caudium if it's currently running.