diff --git a/migration/331b-trunk/131_FR1924645.sql b/migration/331b-trunk/131_FR1924645.sql
new file mode 100644
index 0000000000..56d5925117
--- /dev/null
+++ b/migration/331b-trunk/131_FR1924645.sql
@@ -0,0 +1,3 @@
+-- [ 1924645 ] Index ad_wf_activity_status too slow
+
+DROP INDEX ad_wf_activity_status;
\ No newline at end of file
diff --git a/migration/331b-trunk/postgresql/131_FR1924645.sql b/migration/331b-trunk/postgresql/131_FR1924645.sql
new file mode 100644
index 0000000000..56d5925117
--- /dev/null
+++ b/migration/331b-trunk/postgresql/131_FR1924645.sql
@@ -0,0 +1,3 @@
+-- [ 1924645 ] Index ad_wf_activity_status too slow
+
+DROP INDEX ad_wf_activity_status;
\ No newline at end of file