diff --git a/configure b/configure
index 2599fbbc..368151f6 100755
--- a/configure
+++ b/configure
@@ -301,9 +301,9 @@ ${QP_ROOT}/bin
 EOF
 
                 rm ${QP_ROOT}/external/opam_installer.sh
-                source ${OPAMROOT}/opam-init/init.sh > /dev/null 2> /dev/null || true
-
-                opam switch create ocaml-base-compiler.4.07.1
+#                source ${OPAMROOT}/opam-init/init.sh > /dev/null 2> /dev/null || true
+#
+#                opam switch create ocaml-base-compiler.4.07.1
                 opam init --verbose --yes --compiler=4.07.1 --disable-sandboxing
 
                 eval $(opam env)
@@ -322,8 +322,8 @@ EOF
                   | sh \${QP_ROOT}/external/opam_installer.sh 
 EOF
                 rm ${QP_ROOT}/external/opam_installer.sh
-                source ${OPAMROOT}/opam-init/init.sh > /dev/null 2> /dev/null || true
-                opam switch create ocaml-base-compiler.4.07.1     || exit 1
+#                source ${OPAMROOT}/opam-init/init.sh > /dev/null 2> /dev/null || true
+#                opam switch create ocaml-base-compiler.4.07.1     || exit 1
                 opam init --verbose --yes --compiler=4.07.1 --disable-sandboxing
                 eval $(opam env)
 EOF