diff --git a/app/soapbox/actions/about.ts b/app/soapbox/actions/about.ts
index dc6610eb7..07a486fd2 100644
--- a/app/soapbox/actions/about.ts
+++ b/app/soapbox/actions/about.ts
@@ -6,7 +6,7 @@ const FETCH_ABOUT_PAGE_REQUEST = 'FETCH_ABOUT_PAGE_REQUEST';
 const FETCH_ABOUT_PAGE_SUCCESS = 'FETCH_ABOUT_PAGE_SUCCESS';
 const FETCH_ABOUT_PAGE_FAIL = 'FETCH_ABOUT_PAGE_FAIL';
 
-const fetchAboutPage = (slug = 'index', locale?: string) => (dispatch: React.Dispatch<AnyAction>, getState: any) => {
+const fetchAboutPage = (slug = 'index', locale?: string) => (dispatch: React.Dispatch<AnyAction>) => {
   dispatch({ type: FETCH_ABOUT_PAGE_REQUEST, slug, locale });
 
   const filename = `${slug}${locale ? `.${locale}` : ''}.html`;
diff --git a/app/soapbox/actions/account-notes.ts b/app/soapbox/actions/account-notes.ts
index f7d28fe57..33391cff4 100644
--- a/app/soapbox/actions/account-notes.ts
+++ b/app/soapbox/actions/account-notes.ts
@@ -4,6 +4,7 @@ import { openModal, closeModal } from './modals';
 
 import type { AxiosError } from 'axios';
 import type { AnyAction } from 'redux';
+import type { RootState } from 'soapbox/store';
 import type { Account } from 'soapbox/types/entities';
 
 const ACCOUNT_NOTE_SUBMIT_REQUEST = 'ACCOUNT_NOTE_SUBMIT_REQUEST';
@@ -14,14 +15,14 @@ const ACCOUNT_NOTE_INIT_MODAL = 'ACCOUNT_NOTE_INIT_MODAL';
 
 const ACCOUNT_NOTE_CHANGE_COMMENT = 'ACCOUNT_NOTE_CHANGE_COMMENT';
 
-const submitAccountNote = () => (dispatch: React.Dispatch<AnyAction>, getState: any) => {
+const submitAccountNote = () => (dispatch: React.Dispatch<AnyAction>, getState: () => RootState) => {
   dispatch(submitAccountNoteRequest());
 
-  const id = getState().getIn(['account_notes', 'edit', 'account_id']);
+  const id = getState().account_notes.edit.account;
 
   return api(getState)
     .post(`/api/v1/accounts/${id}/note`, {
-      comment: getState().getIn(['account_notes', 'edit', 'comment']),
+      comment: getState().account_notes.edit.comment,
     })
     .then(response => {
       dispatch(closeModal());
@@ -50,8 +51,8 @@ function submitAccountNoteFail(error: AxiosError) {
   };
 }
 
-const initAccountNoteModal = (account: Account) => (dispatch: React.Dispatch<AnyAction>, getState: any) => {
-  const comment = getState().getIn(['relationships', account.get('id'), 'note']);
+const initAccountNoteModal = (account: Account) => (dispatch: React.Dispatch<AnyAction>, getState: () => RootState) => {
+  const comment = getState().relationships.get(account.id)!.note;
 
   dispatch({
     type: ACCOUNT_NOTE_INIT_MODAL,
diff --git a/app/soapbox/actions/auth.ts b/app/soapbox/actions/auth.ts
index 49de0e475..44598beca 100644
--- a/app/soapbox/actions/auth.ts
+++ b/app/soapbox/actions/auth.ts
@@ -77,7 +77,7 @@ const getAuthApp = () =>
   };
 
 const createAuthApp = () =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const params = {
       client_name:   sourceCode.displayName,
       redirect_uris: 'urn:ietf:wg:oauth:2.0:oob',
@@ -91,7 +91,7 @@ const createAuthApp = () =>
   };
 
 const createAppToken = () =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const app = getState().auth.get('app');
 
     const params = {
@@ -108,7 +108,7 @@ const createAppToken = () =>
   };
 
 const createUserToken = (username: string, password: string) =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const app = getState().auth.get('app');
 
     const params = {
@@ -146,7 +146,7 @@ export const refreshUserToken = () =>
   };
 
 export const otpVerify = (code: string, mfa_token: string) =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const app = getState().auth.get('app');
     return api(getState, 'app').post('/oauth/mfa/challenge', {
       client_id: app.get('client_id'),
@@ -162,7 +162,7 @@ export const otpVerify = (code: string, mfa_token: string) =>
 export const verifyCredentials = (token: string, accountUrl?: string) => {
   const baseURL = parseBaseURL(accountUrl);
 
-  return (dispatch: AppDispatch, getState: () => any) => {
+  return (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: VERIFY_CREDENTIALS_REQUEST, token });
 
     return baseClient(token, baseURL).get('/api/v1/accounts/verify_credentials').then(({ data: account }) => {
@@ -188,7 +188,7 @@ export const verifyCredentials = (token: string, accountUrl?: string) => {
 };
 
 export const rememberAuthAccount = (accountUrl: string) =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: AUTH_ACCOUNT_REMEMBER_REQUEST, accountUrl });
     return KVStore.getItemOrError(`authAccount:${accountUrl}`).then(account => {
       dispatch(importFetchedAccount(account));
@@ -230,7 +230,7 @@ export const logIn = (username: string, password: string) =>
   });
 
 export const deleteSession = () =>
-  (dispatch: AppDispatch, getState: () => any) => api(getState).delete('/api/sign_out');
+  (dispatch: AppDispatch, getState: () => RootState) => api(getState).delete('/api/sign_out');
 
 export const logOut = () =>
   (dispatch: AppDispatch, getState: () => RootState) => {
@@ -256,7 +256,7 @@ export const logOut = () =>
   };
 
 export const switchAccount = (accountId: string, background = false) =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const account = getState().accounts.get(accountId);
     return dispatch({ type: SWITCH_ACCOUNT, account, background });
   };
@@ -286,7 +286,7 @@ export const register = (params: Record<string, any>) =>
   };
 
 export const fetchCaptcha = () =>
-  (_dispatch: AppDispatch, getState: () => any) => {
+  (_dispatch: AppDispatch, getState: () => RootState) => {
     return api(getState).get('/api/pleroma/captcha');
   };
 
diff --git a/app/soapbox/actions/backups.ts b/app/soapbox/actions/backups.ts
index 2057782ba..c95e504db 100644
--- a/app/soapbox/actions/backups.ts
+++ b/app/soapbox/actions/backups.ts
@@ -1,6 +1,6 @@
 import api from '../api';
 
-import type { AppDispatch } from 'soapbox/store';
+import type { AppDispatch, RootState } from 'soapbox/store';
 
 export const BACKUPS_FETCH_REQUEST = 'BACKUPS_FETCH_REQUEST';
 export const BACKUPS_FETCH_SUCCESS = 'BACKUPS_FETCH_SUCCESS';
@@ -11,7 +11,7 @@ export const BACKUPS_CREATE_SUCCESS = 'BACKUPS_CREATE_SUCCESS';
 export const BACKUPS_CREATE_FAIL    = 'BACKUPS_CREATE_FAIL';
 
 export const fetchBackups = () =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: BACKUPS_FETCH_REQUEST });
     return api(getState).get('/api/v1/pleroma/backups').then(({ data: backups }) =>
       dispatch({ type: BACKUPS_FETCH_SUCCESS, backups }),
@@ -21,7 +21,7 @@ export const fetchBackups = () =>
   };
 
 export const createBackup = () =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: BACKUPS_CREATE_REQUEST });
     return api(getState).post('/api/v1/pleroma/backups').then(({ data: backups }) =>
       dispatch({ type: BACKUPS_CREATE_SUCCESS, backups }),
diff --git a/app/soapbox/actions/blocks.ts b/app/soapbox/actions/blocks.ts
index 25488d0f6..629be6f90 100644
--- a/app/soapbox/actions/blocks.ts
+++ b/app/soapbox/actions/blocks.ts
@@ -8,6 +8,7 @@ import { importFetchedAccounts } from './importer';
 
 import type { AnyAction } from '@reduxjs/toolkit';
 import type { AxiosError } from 'axios';
+import type { RootState } from 'soapbox/store';
 
 const BLOCKS_FETCH_REQUEST = 'BLOCKS_FETCH_REQUEST';
 const BLOCKS_FETCH_SUCCESS = 'BLOCKS_FETCH_SUCCESS';
@@ -17,7 +18,7 @@ const BLOCKS_EXPAND_REQUEST = 'BLOCKS_EXPAND_REQUEST';
 const BLOCKS_EXPAND_SUCCESS = 'BLOCKS_EXPAND_SUCCESS';
 const BLOCKS_EXPAND_FAIL = 'BLOCKS_EXPAND_FAIL';
 
-const fetchBlocks = () => (dispatch: React.Dispatch<AnyAction>, getState: any) => {
+const fetchBlocks = () => (dispatch: React.Dispatch<AnyAction>, getState: () => RootState) => {
   if (!isLoggedIn(getState)) return null;
   const nextLinkName = getNextLinkName(getState);
 
@@ -53,11 +54,11 @@ function fetchBlocksFail(error: AxiosError) {
   };
 }
 
-const expandBlocks = () => (dispatch: React.Dispatch<AnyAction>, getState: any) => {
+const expandBlocks = () => (dispatch: React.Dispatch<AnyAction>, getState: () => RootState) => {
   if (!isLoggedIn(getState)) return null;
   const nextLinkName = getNextLinkName(getState);
 
-  const url = getState().getIn(['user_lists', 'blocks', 'next']);
+  const url = getState().user_lists.getIn(['blocks', 'next']);
 
   if (url === null) {
     return null;
diff --git a/app/soapbox/actions/bundles.ts b/app/soapbox/actions/bundles.ts
index cdc032cdd..fc5ef9321 100644
--- a/app/soapbox/actions/bundles.ts
+++ b/app/soapbox/actions/bundles.ts
@@ -12,7 +12,7 @@ const fetchBundleSuccess = (skipLoading?: boolean) => ({
   skipLoading,
 });
 
-const fetchBundleFail = (error, skipLoading?: boolean) => ({
+const fetchBundleFail = (error: any, skipLoading?: boolean) => ({
   type: BUNDLE_FETCH_FAIL,
   error,
   skipLoading,
diff --git a/app/soapbox/actions/directory.ts b/app/soapbox/actions/directory.ts
index e9e309de4..98e2dc2b2 100644
--- a/app/soapbox/actions/directory.ts
+++ b/app/soapbox/actions/directory.ts
@@ -3,6 +3,7 @@ import api from '../api';
 import { fetchRelationships } from './accounts';
 import { importFetchedAccounts } from './importer';
 
+import type { AxiosError } from 'axios';
 import type { AppDispatch, RootState } from 'soapbox/store';
 import type { APIEntity } from 'soapbox/types/entities';
 
@@ -14,14 +15,14 @@ const DIRECTORY_EXPAND_REQUEST = 'DIRECTORY_EXPAND_REQUEST';
 const DIRECTORY_EXPAND_SUCCESS = 'DIRECTORY_EXPAND_SUCCESS';
 const DIRECTORY_EXPAND_FAIL    = 'DIRECTORY_EXPAND_FAIL';
 
-const fetchDirectory = params =>
+const fetchDirectory = (params: Record<string, any>) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch(fetchDirectoryRequest());
 
     api(getState).get('/api/v1/directory', { params: { ...params, limit: 20 } }).then(({ data }) => {
       dispatch(importFetchedAccounts(data));
       dispatch(fetchDirectorySuccess(data));
-      dispatch(fetchRelationships(data.map(x => x.id)));
+      dispatch(fetchRelationships(data.map((x: APIEntity) => x.id)));
     }).catch(error => dispatch(fetchDirectoryFail(error)));
   };
 
@@ -29,17 +30,17 @@ const fetchDirectoryRequest = () => ({
   type: DIRECTORY_FETCH_REQUEST,
 });
 
-const fetchDirectorySuccess = accounts => ({
+const fetchDirectorySuccess = (accounts: APIEntity[]) => ({
   type: DIRECTORY_FETCH_SUCCESS,
   accounts,
 });
 
-const fetchDirectoryFail = error => ({
+const fetchDirectoryFail = (error: AxiosError) => ({
   type: DIRECTORY_FETCH_FAIL,
   error,
 });
 
-const expandDirectory = params =>
+const expandDirectory = (params: Record<string, any>) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch(expandDirectoryRequest());
 
@@ -56,12 +57,12 @@ const expandDirectoryRequest = () => ({
   type: DIRECTORY_EXPAND_REQUEST,
 });
 
-const expandDirectorySuccess = accounts => ({
+const expandDirectorySuccess = (accounts: APIEntity[]) => ({
   type: DIRECTORY_EXPAND_SUCCESS,
   accounts,
 });
 
-const expandDirectoryFail = error => ({
+const expandDirectoryFail = (error: AxiosError) => ({
   type: DIRECTORY_EXPAND_FAIL,
   error,
 });
diff --git a/app/soapbox/actions/email_list.ts b/app/soapbox/actions/email_list.ts
index 561f13a2d..eeac0ed47 100644
--- a/app/soapbox/actions/email_list.ts
+++ b/app/soapbox/actions/email_list.ts
@@ -3,15 +3,15 @@ import api from '../api';
 import type { RootState } from 'soapbox/store';
 
 const getSubscribersCsv = () =>
-  (dispatch, getState: () => RootState) =>
+  (dispatch: any, getState: () => RootState) =>
     api(getState).get('/api/v1/pleroma/admin/email_list/subscribers.csv');
 
 const getUnsubscribersCsv = () =>
-  (dispatch, getState: () => RootState) =>
+  (dispatch: any, getState: () => RootState) =>
     api(getState).get('/api/v1/pleroma/admin/email_list/unsubscribers.csv');
 
 const getCombinedCsv = () =>
-  (dispatch, getState: () => RootState) =>
+  (dispatch: any, getState: () => RootState) =>
     api(getState).get('/api/v1/pleroma/admin/email_list/combined.csv');
 
 export {
diff --git a/app/soapbox/actions/filters.ts b/app/soapbox/actions/filters.ts
index 97e445425..16bb23951 100644
--- a/app/soapbox/actions/filters.ts
+++ b/app/soapbox/actions/filters.ts
@@ -66,7 +66,7 @@ const createFilter = (phrase: string, expires_at: string, context: Array<string>
   };
 
 
-const deleteFilter = (id) =>
+const deleteFilter = (id: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: FILTERS_DELETE_REQUEST });
     return api(getState).delete(`/api/v1/filters/${id}`).then(response => {
diff --git a/app/soapbox/actions/pin_statuses.ts b/app/soapbox/actions/pin_statuses.ts
index 8df193472..dacf502c2 100644
--- a/app/soapbox/actions/pin_statuses.ts
+++ b/app/soapbox/actions/pin_statuses.ts
@@ -4,6 +4,7 @@ import api from '../api';
 
 import { importFetchedStatuses } from './importer';
 
+import type { AxiosError } from 'axios';
 import type { AppDispatch, RootState } from 'soapbox/store';
 import type { APIEntity } from 'soapbox/types/entities';
 
@@ -36,7 +37,7 @@ const fetchPinnedStatusesSuccess = (statuses: APIEntity[], next: string | null)
   next,
 });
 
-const fetchPinnedStatusesFail = (error) => ({
+const fetchPinnedStatusesFail = (error: AxiosError) => ({
   type: PINNED_STATUSES_FETCH_FAIL,
   error,
 });
diff --git a/app/soapbox/actions/polls.ts b/app/soapbox/actions/polls.ts
index 0bf03219b..da4579f71 100644
--- a/app/soapbox/actions/polls.ts
+++ b/app/soapbox/actions/polls.ts
@@ -2,7 +2,9 @@ import api from '../api';
 
 import { importFetchedPoll } from './importer';
 
+import type { AxiosError } from 'axios';
 import type { AppDispatch, RootState } from 'soapbox/store';
+import type { APIEntity } from 'soapbox/types/entities';
 
 const POLL_VOTE_REQUEST = 'POLL_VOTE_REQUEST';
 const POLL_VOTE_SUCCESS = 'POLL_VOTE_SUCCESS';
@@ -40,12 +42,12 @@ const voteRequest = () => ({
   type: POLL_VOTE_REQUEST,
 });
 
-const voteSuccess = poll => ({
+const voteSuccess = (poll: APIEntity) => ({
   type: POLL_VOTE_SUCCESS,
   poll,
 });
 
-const voteFail = error => ({
+const voteFail = (error: AxiosError) => ({
   type: POLL_VOTE_FAIL,
   error,
 });
@@ -54,12 +56,12 @@ const fetchPollRequest = () => ({
   type: POLL_FETCH_REQUEST,
 });
 
-const fetchPollSuccess = poll => ({
+const fetchPollSuccess = (poll: APIEntity) => ({
   type: POLL_FETCH_SUCCESS,
   poll,
 });
 
-const fetchPollFail = error => ({
+const fetchPollFail = (error: AxiosError) => ({
   type: POLL_FETCH_FAIL,
   error,
 });
diff --git a/app/soapbox/actions/push_subscriptions.ts b/app/soapbox/actions/push_subscriptions.ts
index 129637a20..b370c5045 100644
--- a/app/soapbox/actions/push_subscriptions.ts
+++ b/app/soapbox/actions/push_subscriptions.ts
@@ -39,7 +39,7 @@ const fetchPushSubscription = () =>
   };
 
 const updatePushSubscription = (params: Record<string, any>) =>
-  (dispatch: AppDispatch, getState: () => any) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     dispatch({ type: PUSH_SUBSCRIPTION_UPDATE_REQUEST, params });
     return api(getState).put('/api/v1/push/subscription', params).then(({ data: subscription }) =>
       dispatch({ type: PUSH_SUBSCRIPTION_UPDATE_SUCCESS, params, subscription }),
diff --git a/app/soapbox/actions/remote_timeline.ts b/app/soapbox/actions/remote_timeline.ts
index 6cbcc2869..cb21126b9 100644
--- a/app/soapbox/actions/remote_timeline.ts
+++ b/app/soapbox/actions/remote_timeline.ts
@@ -1,10 +1,11 @@
 import { getSettings, changeSetting } from 'soapbox/actions/settings';
 
+import type { OrderedSet as ImmutableOrderedSet } from 'immutable';
 import type { AppDispatch, RootState } from 'soapbox/store';
 
 const getPinnedHosts = (state: RootState) => {
   const settings = getSettings(state);
-  return settings.getIn(['remote_timeline', 'pinnedHosts']);
+  return settings.getIn(['remote_timeline', 'pinnedHosts']) as ImmutableOrderedSet<string>;
 };
 
 const pinHost = (host: string) =>
@@ -12,15 +13,15 @@ const pinHost = (host: string) =>
     const state = getState();
     const pinnedHosts = getPinnedHosts(state);
 
-    return dispatch(changeSetting(['remote_timeline', 'pinnedHosts'], pinnedHosts.push(host)));
+    return dispatch(changeSetting(['remote_timeline', 'pinnedHosts'], pinnedHosts.add(host)));
   };
 
-const unpinHost = (host) =>
+const unpinHost = (host: string) =>
   (dispatch: AppDispatch, getState: () => RootState) => {
     const state = getState();
     const pinnedHosts = getPinnedHosts(state);
 
-    return dispatch(changeSetting(['remote_timeline', 'pinnedHosts'], pinnedHosts.filter((value) => value !== host)));
+    return dispatch(changeSetting(['remote_timeline', 'pinnedHosts'], pinnedHosts.remove(host)));
   };
 
 export {
diff --git a/app/soapbox/actions/rules.ts b/app/soapbox/actions/rules.ts
index 1e2c29eea..b5b3b90a4 100644
--- a/app/soapbox/actions/rules.ts
+++ b/app/soapbox/actions/rules.ts
@@ -1,6 +1,7 @@
 import api from '../api';
 
 import type { Rule } from 'soapbox/reducers/rules';
+import type { RootState } from 'soapbox/store';
 
 const RULES_FETCH_REQUEST = 'RULES_FETCH_REQUEST';
 const RULES_FETCH_SUCCESS = 'RULES_FETCH_SUCCESS';
@@ -16,7 +17,7 @@ type RulesFetchRequestSuccessAction = {
 
 export type RulesActions = RulesFetchRequestAction | RulesFetchRequestSuccessAction
 
-const fetchRules = () => (dispatch: React.Dispatch<RulesActions>, getState: any) => {
+const fetchRules = () => (dispatch: React.Dispatch<RulesActions>, getState: () => RootState) => {
   dispatch({ type: RULES_FETCH_REQUEST });
 
   return api(getState)
diff --git a/app/soapbox/features/export_data/components/csv_exporter.tsx b/app/soapbox/features/export_data/components/csv_exporter.tsx
index de524bcce..2b2e760c9 100644
--- a/app/soapbox/features/export_data/components/csv_exporter.tsx
+++ b/app/soapbox/features/export_data/components/csv_exporter.tsx
@@ -3,7 +3,7 @@ import { MessageDescriptor, useIntl } from 'react-intl';
 
 import { Button, Form, FormActions, Text } from 'soapbox/components/ui';
 import { useAppDispatch } from 'soapbox/hooks';
-import { AppDispatch } from 'soapbox/store';
+import { AppDispatch, RootState } from 'soapbox/store';
 
 interface ICSVExporter {
   messages: {
@@ -11,7 +11,7 @@ interface ICSVExporter {
     input_hint: MessageDescriptor,
     submit: MessageDescriptor,
   },
-  action: () => (dispatch: AppDispatch, getState: any) => Promise<void>,
+  action: () => (dispatch: AppDispatch, getState: () => RootState) => Promise<void>,
 }
 
 const CSVExporter: React.FC<ICSVExporter> = ({ messages, action }) => {
diff --git a/app/soapbox/features/filters/index.tsx b/app/soapbox/features/filters/index.tsx
index 31fa728fb..fcdf262eb 100644
--- a/app/soapbox/features/filters/index.tsx
+++ b/app/soapbox/features/filters/index.tsx
@@ -86,7 +86,7 @@ const Filters = () => {
   };
 
   const handleFilterDelete: React.MouseEventHandler<HTMLDivElement> = e => {
-    dispatch(deleteFilter(e.currentTarget.dataset.value)).then(() => {
+    dispatch(deleteFilter(e.currentTarget.dataset.value!)).then(() => {
       return dispatch(fetchFilters());
     }).catch(() => {
       dispatch(snackbar.error(intl.formatMessage(messages.delete_error)));
diff --git a/app/soapbox/features/import_data/components/csv_importer.tsx b/app/soapbox/features/import_data/components/csv_importer.tsx
index 65d9e1ee4..6785e5cbd 100644
--- a/app/soapbox/features/import_data/components/csv_importer.tsx
+++ b/app/soapbox/features/import_data/components/csv_importer.tsx
@@ -3,7 +3,8 @@ import { MessageDescriptor, useIntl } from 'react-intl';
 
 import { Button, FileInput, Form, FormActions, FormGroup, Text } from 'soapbox/components/ui';
 import { useAppDispatch } from 'soapbox/hooks';
-import { AppDispatch } from 'soapbox/store';
+
+import type { AppDispatch, RootState } from 'soapbox/store';
 
 interface ICSVImporter {
   messages: {
@@ -11,7 +12,7 @@ interface ICSVImporter {
     input_hint: MessageDescriptor,
     submit: MessageDescriptor,
   },
-  action: (params: FormData) => (dispatch: AppDispatch, getState: any) => Promise<void>,
+  action: (params: FormData) => (dispatch: AppDispatch, getState: () => RootState) => Promise<void>,
 }
 
 const CSVImporter: React.FC<ICSVImporter> = ({ messages, action }) => {
diff --git a/app/soapbox/features/ui/components/embed_modal.tsx b/app/soapbox/features/ui/components/embed_modal.tsx
index 00a8f3767..0b3be1bc1 100644
--- a/app/soapbox/features/ui/components/embed_modal.tsx
+++ b/app/soapbox/features/ui/components/embed_modal.tsx
@@ -5,8 +5,10 @@ import api from 'soapbox/api';
 import { Modal, Stack, Text, Input } from 'soapbox/components/ui';
 import { useAppDispatch } from 'soapbox/hooks';
 
+import type { RootState } from 'soapbox/store';
+
 const fetchEmbed = (url: string) => {
-  return (dispatch: any, getState: any) => {
+  return (dispatch: any, getState: () => RootState) => {
     return api(getState).get('/api/oembed', { params: { url } });
   };
 };