diff --git a/lib/cinder_backends/lvm b/lib/cinder_backends/lvm
index d369c0c840..35ad209db7 100644
--- a/lib/cinder_backends/lvm
+++ b/lib/cinder_backends/lvm
@@ -39,6 +39,7 @@ function cleanup_cinder_backend_lvm {
 
     # Campsite rule: leave behind a volume group at least as clean as we found it
     clean_lvm_volume_group $VOLUME_GROUP_NAME-$be_name
+    clean_lvm_filter
 }
 
 # configure_cinder_backend_lvm - Set config files, create data dirs, etc
diff --git a/lib/lvm b/lib/lvm
index 54976a36cd..1fe2683e65 100644
--- a/lib/lvm
+++ b/lib/lvm
@@ -145,6 +145,13 @@ function init_default_lvm_volume_group {
     fi
 }
 
+# clean_lvm_filter() Remove the filter rule set in set_lvm_filter()
+#
+# Usage: clean_lvm_filter()
+function clean_lvm_filter {
+    sudo sed -i "s/^.*# from devstack$//" /etc/lvm/lvm.conf
+}
+
 # set_lvm_filter() Gather all devices configured for LVM and
 # use them to build a global device filter
 # set_lvm_filter() Create a device filter
@@ -154,7 +161,7 @@ function init_default_lvm_volume_group {
 #
 # Usage: set_lvm_filter()
 function set_lvm_filter {
-    local filter_suffix='"r|.*|" ]'
+    local filter_suffix='"r|.*|" ]  # from devstack'
     local filter_string="global_filter = [ "
     local pv
     local vg
@@ -167,6 +174,7 @@ function set_lvm_filter {
     done
     filter_string=$filter_string$filter_suffix
 
+    clean_lvm_filter
     sudo sed -i "/# global_filter = \[*\]/a\    $global_filter$filter_string" /etc/lvm/lvm.conf
     echo_summary "set lvm.conf device global_filter to: $filter_string"
 }
diff --git a/unstack.sh b/unstack.sh
index 30981fd3c6..ed7e6175ca 100755
--- a/unstack.sh
+++ b/unstack.sh
@@ -192,3 +192,4 @@ fi
 
 # BUG: maybe it doesn't exist? We should isolate this further down.
 clean_lvm_volume_group $DEFAULT_VOLUME_GROUP_NAME || /bin/true
+clean_lvm_filter