diff --git a/meta/runtime.yml b/meta/runtime.yml
index 0c8dcc12..1d55185e 100644
--- a/meta/runtime.yml
+++ b/meta/runtime.yml
@@ -141,6 +141,10 @@ plugin_routing:
       deprecation:
         removal_version: "6.0.0"
         warning_text: Filter, get_product_version, is no longer supported.
+    format_database_type:
+      deprecation:
+        removal_version: "6.0.0"
+        warning_text: Filter, format_database_type, is no longer supported.
   action:
     host_config:
       deprecation:
diff --git a/plugins/filter/format_database_type.yml b/plugins/filter/format_database_type.yml
index 1d269592..f2b5b96f 100644
--- a/plugins/filter/format_database_type.yml
+++ b/plugins/filter/format_database_type.yml
@@ -4,5 +4,9 @@ DOCUMENTATION:
   short_description: format_database_type
   description: format_database_type
   version_added: "3.0.3"
+  deprecated:
+    removed_in: "6.0.0"
+    alternative: none
+    why: No longer supported.
 EXAMPLES:
 RETURN: