diff --git a/lib/keyserver-conn/call-keyserver-endpoint-provider.react.js b/lib/keyserver-conn/call-keyserver-endpoint-provider.react.js
--- a/lib/keyserver-conn/call-keyserver-endpoint-provider.react.js
+++ b/lib/keyserver-conn/call-keyserver-endpoint-provider.react.js
@@ -21,7 +21,6 @@
 } from '../utils/call-server-endpoint.js';
 import callServerEndpoint from '../utils/call-server-endpoint.js';
 
-export type ActionFunc<F> = (callServerEndpoint: CallServerEndpoint) => F;
 type CreateCallSingleKeyserverEndpointSelector = (
   keyserverID: string,
 ) => ServerCallSelectorParams => CallServerEndpoint;
diff --git a/lib/utils/action-utils.js b/lib/utils/action-utils.js
--- a/lib/utils/action-utils.js
+++ b/lib/utils/action-utils.js
@@ -3,15 +3,17 @@
 import invariant from 'invariant';
 import * as React from 'react';
 
+import type { CallServerEndpoint } from './call-server-endpoint.js';
 import { useSelector, useDispatch } from './redux-utils.js';
 import { ashoatKeyserverID } from './validation-utils.js';
 import {
-  type ActionFunc,
   type ServerCallSelectorParams,
   useCallKeyserverEndpointContext,
 } from '../keyserver-conn/call-keyserver-endpoint-provider.react.js';
 import { serverCallStateSelector } from '../selectors/server-calls.js';
 
+type ActionFunc<F> = (callServerEndpoint: CallServerEndpoint) => F;
+
 function useServerCall<F>(
   serverCall: ActionFunc<F>,
   paramOverride?: ?Partial<ServerCallSelectorParams>,
diff --git a/lib/utils/keyserver-call.js b/lib/utils/keyserver-call.js
--- a/lib/utils/keyserver-call.js
+++ b/lib/utils/keyserver-call.js
@@ -24,7 +24,7 @@
   options?: ?CallServerEndpointOptions,
 ) => Promise<{ +[keyserverID: string]: any }>;
 
-export type ActionFunc<Args: mixed, Return> = (
+type ActionFunc<Args: mixed, Return> = (
   callServerEndpoint: CallKeyserverEndpoint,
   // The second argument is only used in actions that call all keyservers,
   // and the request to all keyservers are exactly the same.