diff --git a/src/actions/mrf.ts b/src/actions/mrf.ts
index 359d7711f..509bdb8fc 100644
--- a/src/actions/mrf.ts
+++ b/src/actions/mrf.ts
@@ -1,4 +1,4 @@
-import { Map as ImmutableMap, Set as ImmutableSet } from 'immutable';
+import { Set as ImmutableSet } from 'immutable';
 
 import ConfigDB from 'soapbox/utils/config-db';
 
@@ -7,9 +7,9 @@ import { fetchConfig, updateConfig } from './admin';
 import type { MRFSimple } from 'soapbox/schemas/pleroma';
 import type { AppDispatch, RootState } from 'soapbox/store';
 
-const simplePolicyMerge = (simplePolicy: MRFSimple, host: string, restrictions: ImmutableMap<string, any>) => {
+const simplePolicyMerge = (simplePolicy: MRFSimple, host: string, restrictions: Record<string, any>) => {
   const entries = Object.entries(simplePolicy).map(([key, hosts]) => {
-    const isRestricted = restrictions.get(key);
+    const isRestricted = restrictions[key];
 
     if (isRestricted) {
       return [key, ImmutableSet(hosts).add(host).toJS()];
@@ -21,7 +21,7 @@ const simplePolicyMerge = (simplePolicy: MRFSimple, host: string, restrictions:
   return Object.fromEntries(entries);
 };
 
-const updateMrf = (host: string, restrictions: ImmutableMap<string, any>) =>
+const updateMrf = (host: string, restrictions: Record<string, any>) =>
   (dispatch: AppDispatch, getState: () => RootState) =>
     dispatch(fetchConfig())
       .then(() => {
diff --git a/src/features/ui/components/modals/edit-federation-modal.tsx b/src/features/ui/components/modals/edit-federation-modal.tsx
index 4b102e8ef..646439612 100644
--- a/src/features/ui/components/modals/edit-federation-modal.tsx
+++ b/src/features/ui/components/modals/edit-federation-modal.tsx
@@ -30,24 +30,25 @@ const EditFederationModal: React.FC<IEditFederationModal> = ({ host, onClose })
   const getRemoteInstance = useCallback(makeGetRemoteInstance(), []);
   const remoteInstance = useAppSelector(state => getRemoteInstance(state, host));
 
-  const [data, setData] = useState({} as any);
+  const [data, setData] = useState<Record<string, any>>({});
 
   useEffect(() => {
-    setData(remoteInstance.get('federation'));
+    setData(remoteInstance.get('federation') as Record<string, any>);
   }, [remoteInstance]);
 
   const handleDataChange = (key: string): React.ChangeEventHandler<HTMLInputElement> => {
     return ({ target }) => {
-      setData(data.set(key, target.checked));
+      setData({ ...data, [key]: target.checked });
     };
   };
 
   const handleMediaRemoval: React.ChangeEventHandler<HTMLInputElement> = ({ target: { checked } }) => {
-    const newData = data.merge({
+    const newData = {
+      ...data,
       avatar_removal: checked,
       banner_removal: checked,
       media_removal: checked,
-    });
+    };
 
     setData(newData);
   };
diff --git a/src/utils/config-db.ts b/src/utils/config-db.ts
index 5faf18163..4dbf3c163 100644
--- a/src/utils/config-db.ts
+++ b/src/utils/config-db.ts
@@ -9,7 +9,7 @@ import trimStart from 'lodash/trimStart';
 import { type MRFSimple, mrfSimpleSchema } from 'soapbox/schemas/pleroma';
 
 export type Config = ImmutableMap<string, any>;
-export type Policy = ImmutableMap<string, any>;
+export type Policy = Record<string, any>;
 
 const find = (
   configs: ImmutableList<Config>,
@@ -40,15 +40,15 @@ const toSimplePolicy = (configs: ImmutableList<Config>): MRFSimple => {
 };
 
 const fromSimplePolicy = (simplePolicy: Policy): ImmutableList<Config> => {
-  const mapper = (hosts: ImmutableList<string>, key: string) => fromJS({ tuple: [`:${key}`, hosts.toJS()] });
+  const mapper = ([key, hosts]: [key: string, hosts: ImmutableList<string>]) => fromJS({ tuple: [`:${key}`, hosts] });
 
-  const value = simplePolicy.map(mapper).toList();
+  const value = Object.entries(simplePolicy).map(mapper);
 
   return ImmutableList([
     ImmutableMap({
       group: ':pleroma',
       key: ':mrf_simple',
-      value,
+      value: ImmutableList(value),
     }),
   ]);
 };