diff --git a/.ddev/commands/host/install b/.ddev/commands/host/install
index 63278f58ca04691bd5eec81a3fb13d7c0bfe839b..cd8164237bbb6427b1198760b251388621dc1af5 100755
--- a/.ddev/commands/host/install
+++ b/.ddev/commands/host/install
@@ -6,4 +6,5 @@
 
 ddev solr:empty
 ddev exec vendor/bin/run toolkit:install-clean
+ddev virtuoso:clear-data
 ddev exec vendor/bin/run dev:install-modules
diff --git a/.ddev/commands/host/rebuild b/.ddev/commands/host/rebuild
index e42632be6b4e587cf7ed1311cbf728c9eea29788..d72bb06e31245cad519b407a4547c93149449122 100755
--- a/.ddev/commands/host/rebuild
+++ b/.ddev/commands/host/rebuild
@@ -6,5 +6,6 @@
 
 ddev solr:restore
 ddev run toolkit:install-clone
+ddev virtuoso:clear-data
 ddev run dev:install-modules
 ddev drush user:unblock --uid=1
diff --git a/.ddev/commands/web/virtuoso_clear_data b/.ddev/commands/web/virtuoso_clear_data
new file mode 100755
index 0000000000000000000000000000000000000000..33f770500106b344f1bc62739f3ae19946530e1e
--- /dev/null
+++ b/.ddev/commands/web/virtuoso_clear_data
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+## Description: Clear the <http://data? Virtuoso graph
+## Usage: virtuoso:clear-data
+
+vendor/bin/drush eval "Drupal::service('rdf_sync.connection')->update('CLEAR GRAPH <http://data>')"
+echo "Cleared the <http://data> graph."