diff --git a/config/migrations/2024/20240316100500-delete-all-empty-uris.sparql b/config/migrations/2024/20240316100500-delete-all-empty-uris.sparql
new file mode 100644
index 0000000..722fc7f
--- /dev/null
+++ b/config/migrations/2024/20240316100500-delete-all-empty-uris.sparql
@@ -0,0 +1,25 @@
+DELETE {
+  GRAPH ?g {
+    ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> ?type  ;
+      <http://mu.semte.ch/vocabularies/core/uuid> ?uuid . 
+  }
+}
+WHERE {
+  VALUES ?g {
+    <http://mu.semte.ch/graphs/administrative-unit>
+    <http://mu.semte.ch/graphs/worship-service>
+    <http://mu.semte.ch/graphs/public>
+    <http://mu.semte.ch/graphs/privacy-centric-graph>
+    <http://mu.semte.ch/graphs/worship-privacy-centric-graph>
+  }
+  GRAPH ?g {
+    ?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> ?type  ;
+      <http://mu.semte.ch/vocabularies/core/uuid> ?uuid .
+
+    FILTER NOT EXISTS {
+      FILTER (?p != <http://www.w3.org/1999/02/22-rdf-syntax-ns#type>)
+      FILTER (?p != <http://mu.semte.ch/vocabularies/core/uuid>)
+      ?s ?p ?o .
+    }
+  }
+}
diff --git a/config/migrations/2024/20240327131000-delete-all-empty-literals.sparql b/config/migrations/2024/20240327131000-delete-all-empty-literals.sparql
new file mode 100644
index 0000000..48a6dfd
--- /dev/null
+++ b/config/migrations/2024/20240327131000-delete-all-empty-literals.sparql
@@ -0,0 +1,20 @@
+DELETE {
+  GRAPH ?g { 
+    ?s ?p ?o .
+  }
+}
+WHERE {
+  VALUES ?g {
+    <http://mu.semte.ch/graphs/administrative-unit>
+    <http://mu.semte.ch/graphs/worship-service>
+    <http://mu.semte.ch/graphs/public>
+    <http://mu.semte.ch/graphs/privacy-centric-graph>
+    <http://mu.semte.ch/graphs/worship-privacy-centric-graph>
+  }
+  graph ?g {
+    ?s ?p ?o
+
+    Filter(?o = " " || ?o = "")
+
+  }
+}
\ No newline at end of file