diff --git a/keyserver/flow-typed/npm/mysql_v2.x.x.js b/keyserver/flow-typed/npm/mysql_v2.x.x.js
--- a/keyserver/flow-typed/npm/mysql_v2.x.x.js
+++ b/keyserver/flow-typed/npm/mysql_v2.x.x.js
@@ -77,12 +77,12 @@
 
   declare class Connection extends events$EventEmitter {
     threadId: number;
-    connect(callback?: (error: ?Error) => *): void;
+    connect(callback?: (error: ?Error) => any): void;
 
     release(): void;
     destroy(): void;
 
-    end(callback?: (error: ?Error) => *): void;
+    end(callback?: (error: ?Error) => any): void;
 
     query(
       sql: QueryOptions,
@@ -99,7 +99,7 @@
         database?: string,
         ...
       },
-      callback: (error: ?Error) => *
+      callback: (error: ?Error) => any
     ): void;
 
     beginTransaction(options: QueryOptions, callback: QueryCallback): void;
@@ -119,9 +119,9 @@
 
   declare class Pool extends events$EventEmitter {
     getConnection(
-      callback: (error: ?Error, connection?: Connection) => *
+      callback: (error: ?Error, connection?: Connection) => any
     ): void;
-    end(callback?: (error: ?Error) => *): void;
+    end(callback?: (error: ?Error) => any): void;
     query(
       sql: QueryOptions,
       values?: Array<mixed>,
@@ -155,7 +155,7 @@
     error: ?Error,
     results: QueryResults,
     fields?: Array<QueryField>
-  ) => *;
+  ) => any;
 
   declare class PoolCluster extends events$EventEmitter {
     add(config: PoolOptions | string): void;
@@ -165,20 +165,20 @@
     getConnection(
       pattern: string | RegExp,
       selector: PoolClusterSelector,
-      callback: (error: ?Error, connection?: Connection) => *
+      callback: (error: ?Error, connection?: Connection) => any
     ): void;
     getConnection(
       pattern: string | RegExp,
-      callback: (error: ?Error, connection?: Connection) => *
+      callback: (error: ?Error, connection?: Connection) => any
     ): void;
     getConnection(
-      callback: (error: ?Error, connection?: Connection) => *
+      callback: (error: ?Error, connection?: Connection) => any
     ): void;
 
     // Truth to be told, of returns not a Pool, but PoolNamespace instance but it is the same for the most part
     of(pattern: string | RegExp, selector?: PoolClusterSelector): Pool;
 
-    end(callback?: (error: ?Error) => *): void;
+    end(callback?: (error: ?Error) => any): void;
   }
 
   declare function escapeId(val: mixed, forbidQualified?: boolean): string;
diff --git a/keyserver/flow-typed/npm/react-router-dom_v5.x.x.js b/keyserver/flow-typed/npm/react-router-dom_v5.x.x.js
--- a/keyserver/flow-typed/npm/react-router-dom_v5.x.x.js
+++ b/keyserver/flow-typed/npm/react-router-dom_v5.x.x.js
@@ -142,7 +142,7 @@
   |}>
 
   declare export var Route: React$ComponentType<{|
-    component?: React$ComponentType<*>,
+    component?: React$ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React$ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,
diff --git a/keyserver/flow-typed/npm/react-router_v5.x.x.js b/keyserver/flow-typed/npm/react-router_v5.x.x.js
--- a/keyserver/flow-typed/npm/react-router_v5.x.x.js
+++ b/keyserver/flow-typed/npm/react-router_v5.x.x.js
@@ -105,7 +105,7 @@
 
 
   declare export class Route extends React.Component<{|
-    component?: React.ComponentType<*>,
+    component?: React.ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React.ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,
diff --git a/keyserver/src/endpoints.js b/keyserver/src/endpoints.js
--- a/keyserver/src/endpoints.js
+++ b/keyserver/src/endpoints.js
@@ -177,8 +177,8 @@
 );
 
 type EndpointData = {
-  responder: (viewer: Viewer, input: any) => Promise<*>,
-  inputValidator: TType<*>,
+  responder: (viewer: Viewer, input: any) => Promise<any>,
+  inputValidator: TType<any>,
   policies: $ReadOnlyArray<PolicyType>,
 };
 
diff --git a/keyserver/src/responders/handlers.js b/keyserver/src/responders/handlers.js
--- a/keyserver/src/responders/handlers.js
+++ b/keyserver/src/responders/handlers.js
@@ -29,7 +29,7 @@
 } from '../utils/validation-utils.js';
 
 type InnerJSONResponder = {
-  responder: (viewer: Viewer, input: any) => Promise<*>,
+  responder: (viewer: Viewer, input: any) => Promise<any>,
   requiredPolicies: $ReadOnlyArray<PolicyType>,
 };
 
diff --git a/keyserver/src/utils/validation-utils.js b/keyserver/src/utils/validation-utils.js
--- a/keyserver/src/utils/validation-utils.js
+++ b/keyserver/src/utils/validation-utils.js
@@ -147,9 +147,9 @@
 }
 
 function findFirstInputMatchingValidator(
-  wholeInputValidator: *,
-  inputValidatorToMatch: *,
-  input: *,
+  wholeInputValidator: any,
+  inputValidatorToMatch: any,
+  input: any,
 ): any {
   if (!wholeInputValidator || input === null || input === undefined) {
     return null;
diff --git a/landing/flow-typed/npm/react-router-dom_v5.x.x.js b/landing/flow-typed/npm/react-router-dom_v5.x.x.js
--- a/landing/flow-typed/npm/react-router-dom_v5.x.x.js
+++ b/landing/flow-typed/npm/react-router-dom_v5.x.x.js
@@ -142,7 +142,7 @@
   |}>
 
   declare export var Route: React.ComponentType<{|
-    component?: React.ComponentType<*>,
+    component?: React.ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React.ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,
diff --git a/landing/flow-typed/npm/react-router_v5.x.x.js b/landing/flow-typed/npm/react-router_v5.x.x.js
--- a/landing/flow-typed/npm/react-router_v5.x.x.js
+++ b/landing/flow-typed/npm/react-router_v5.x.x.js
@@ -105,7 +105,7 @@
 
 
   declare export class Route extends React.Component<{|
-    component?: React.ComponentType<*>,
+    component?: React.ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React.ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,
diff --git a/lib/reducers/loading-reducer.js b/lib/reducers/loading-reducer.js
--- a/lib/reducers/loading-reducer.js
+++ b/lib/reducers/loading-reducer.js
@@ -7,7 +7,7 @@
 import type { BaseAction } from '../types/redux-types.js';
 
 const fetchKeyRegistry: Set<string> = new Set();
-const registerFetchKey = (actionTypes: ActionTypes<*, *, *>) => {
+const registerFetchKey = (actionTypes: ActionTypes<any, any, any>) => {
   fetchKeyRegistry.add(actionTypes.started);
   fetchKeyRegistry.add(actionTypes.success);
   fetchKeyRegistry.add(actionTypes.failed);
diff --git a/lib/selectors/loading-selectors.js b/lib/selectors/loading-selectors.js
--- a/lib/selectors/loading-selectors.js
+++ b/lib/selectors/loading-selectors.js
@@ -26,7 +26,7 @@
 
 // This is the key used to store the Promise state in Redux
 function getTrackingKey(
-  actionTypes: ActionTypes<*, *, *>,
+  actionTypes: ActionTypes<any, any, any>,
   overrideKey?: string,
 ) {
   if (overrideKey) {
@@ -41,7 +41,7 @@
 }
 
 const baseCreateLoadingStatusSelector = (
-  actionTypes: ActionTypes<*, *, *>,
+  actionTypes: ActionTypes<any, any, any>,
   overrideKey?: string,
 ): ((state: BaseAppState<>) => LoadingStatus) => {
   // This makes sure that reduceLoadingStatuses tracks this action
@@ -55,7 +55,7 @@
 };
 
 const createLoadingStatusSelector: (
-  actionTypes: ActionTypes<*, *, *>,
+  actionTypes: ActionTypes<any, any, any>,
   overrideKey?: string,
 ) => (state: BaseAppState<>) => LoadingStatus = _memoize(
   baseCreateLoadingStatusSelector,
diff --git a/lib/shared/messages/message-specs.js b/lib/shared/messages/message-specs.js
--- a/lib/shared/messages/message-specs.js
+++ b/lib/shared/messages/message-specs.js
@@ -29,7 +29,7 @@
 } from '../../types/message-types-enum.js';
 
 export const messageSpecs: {
-  +[MessageType]: MessageSpec<*, *, *>,
+  +[MessageType]: MessageSpec<any, any, any>,
 } = Object.freeze({
   [messageTypes.TEXT]: textMessageSpec,
   [messageTypes.CREATE_THREAD]: createThreadMessageSpec,
diff --git a/lib/shared/updates/update-specs.js b/lib/shared/updates/update-specs.js
--- a/lib/shared/updates/update-specs.js
+++ b/lib/shared/updates/update-specs.js
@@ -13,7 +13,7 @@
 import { updateTypes, type UpdateType } from '../../types/update-types-enum.js';
 
 export const updateSpecs: {
-  +[UpdateType]: UpdateSpec<*, *, *>,
+  +[UpdateType]: UpdateSpec<any, any, any>,
 } = Object.freeze({
   [updateTypes.DELETE_ACCOUNT]: deleteAccountSpec,
   [updateTypes.UPDATE_THREAD]: updateThreadSpec,
diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -1716,7 +1716,12 @@
       },
 }>;
 
-export type ActionPayload = ?(Object | Array<*> | $ReadOnlyArray<*> | string);
+export type ActionPayload = ?(
+  | Object
+  | Array<any>
+  | $ReadOnlyArray<any>
+  | string
+);
 export type DispatchSource = 'tunnelbroker' | 'tab-sync';
 // Data added when dispatching action as a result of message received
 // from other peer. It is used to send processing confirmation.
diff --git a/native/redux/persist.js b/native/redux/persist.js
--- a/native/redux/persist.js
+++ b/native/redux/persist.js
@@ -1734,7 +1734,7 @@
 // import all the navigation and screen stuff, but some of those screens want to
 // access the persistor to purge its state.
 let storedPersistor = null;
-function setPersistor(persistor: *) {
+function setPersistor(persistor: any) {
   storedPersistor = persistor;
 }
 function getPersistor(): Persistor {
diff --git a/native/redux/redux-setup.js b/native/redux/redux-setup.js
--- a/native/redux/redux-setup.js
+++ b/native/redux/redux-setup.js
@@ -371,7 +371,7 @@
 
 function fixUnreadActiveThread(
   state: AppState,
-  action: *,
+  action: any,
 ): FixUnreadActiveThreadResult {
   const navContext = getGlobalNavContext();
   const activeThread = activeMessageListSelector(navContext);
@@ -438,7 +438,7 @@
   enhancers = composeFunc(middleware);
 }
 
-const store: Store<AppState, *> = createStore(
+const store: Store<AppState, any> = createStore(
   persistReducer(persistConfig, reducer),
   defaultState,
   enhancers,
diff --git a/web/calendar/day.react.js b/web/calendar/day.react.js
--- a/web/calendar/day.react.js
+++ b/web/calendar/day.react.js
@@ -171,7 +171,7 @@
     }
   };
 
-  onAddEntry = (event: SyntheticEvent<*>) => {
+  onAddEntry = (event: SyntheticEvent<any>) => {
     event.preventDefault();
     invariant(
       this.props.onScreenThreadInfos.length > 0,
diff --git a/web/flow-typed/npm/classnames_v2.x.x.js b/web/flow-typed/npm/classnames_v2.x.x.js
--- a/web/flow-typed/npm/classnames_v2.x.x.js
+++ b/web/flow-typed/npm/classnames_v2.x.x.js
@@ -3,7 +3,7 @@
 
 type $npm$classnames$Classes =
   | string
-  | { [className: string]: * }
+  | { [className: string]: any }
   | false
   | void
   | null;
diff --git a/web/flow-typed/npm/react-color_v2.x.x.js b/web/flow-typed/npm/react-color_v2.x.x.js
--- a/web/flow-typed/npm/react-color_v2.x.x.js
+++ b/web/flow-typed/npm/react-color_v2.x.x.js
@@ -57,7 +57,7 @@
     width?: string,
     colors?: Array<string>,
     triangle?: "hide" | "top",
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type ChromePickerProps = {|
@@ -72,13 +72,13 @@
     colors?: Array<string>,
     circleSize?: number,
     circleSpacing?: number,
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type CompactPickerProps = {|
     ...ColorPickerProps,
     colors?: Array<string>,
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type GithubPickerProps = {|
@@ -86,7 +86,7 @@
     width?: string,
     colors?: Array<string>,
     triangle?: "hide" | "top-left" | "top-right",
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type HuePickerProps = {|
@@ -114,7 +114,7 @@
     presetColors?: Array<string | {| color: string, title: string |}>,
     width?: number,
     renderers?: Object,
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type SliderPickerProps = {|
@@ -127,7 +127,7 @@
     width?: number,
     height?: number,
     colors?: Array<Array<string>>,
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type TwitterPickerProps = {|
@@ -135,7 +135,7 @@
     width?: string,
     colors?: Array<string>,
     triangle?: "hide" | "top-left" | "top-right",
-    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<*>) => void
+    onSwatchHover?: (color: Color, event: SyntheticMouseEvent<any>) => void
   |};
 
   declare export type ColorWrapChangeHandler = (
diff --git a/web/flow-typed/npm/react-router-dom_v5.x.x.js b/web/flow-typed/npm/react-router-dom_v5.x.x.js
--- a/web/flow-typed/npm/react-router-dom_v5.x.x.js
+++ b/web/flow-typed/npm/react-router-dom_v5.x.x.js
@@ -142,7 +142,7 @@
   |}>
 
   declare export var Route: React.ComponentType<{|
-    component?: React.ComponentType<*>,
+    component?: React.ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React.ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,
diff --git a/web/flow-typed/npm/react-router_v5.x.x.js b/web/flow-typed/npm/react-router_v5.x.x.js
--- a/web/flow-typed/npm/react-router_v5.x.x.js
+++ b/web/flow-typed/npm/react-router_v5.x.x.js
@@ -105,7 +105,7 @@
 
 
   declare export class Route extends React.Component<{|
-    component?: React.ComponentType<*>,
+    component?: React.ComponentType<any>,
     render?: (router: ContextRouter) => React$Node,
     children?: React.ComponentType<ContextRouter> | React$Node,
     path?: string | Array<string>,