diff --git a/src/devtools/ProfilingCache.js b/src/devtools/ProfilingCache.js
index 7dd8b3d946..d313111e67 100644
--- a/src/devtools/ProfilingCache.js
+++ b/src/devtools/ProfilingCache.js
@@ -1,6 +1,6 @@
 // @flow
 
-import { createResource, invalidateResources } from './cache';
+import { createResource } from './cache';
 import Store from './store';
 import {
   getCommitTree,
@@ -297,8 +297,11 @@ export default class ProfilingCache {
     });
 
   invalidate() {
-    // Invalidate Susepnse caches.
-    invalidateResources();
+    // Invalidate Suspense caches.
+    this.CommitDetails.clear();
+    this.FiberCommits.clear();
+    this.Interactions.clear();
+    this.ProfilingSummary.clear();
 
     // Invalidate non-Suspense caches too.
     invalidateCommitTrees();
diff --git a/src/devtools/cache.js b/src/devtools/cache.js
index ee3835fec3..bf509ce8f3 100644
--- a/src/devtools/cache.js
+++ b/src/devtools/cache.js
@@ -39,6 +39,7 @@ type RejectedResult = {|
 type Result<Value> = PendingResult | ResolvedResult<Value> | RejectedResult;
 
 export type Resource<Input, Key, Value> = {
+  clear(): void,
   invalidate(Key): void,
   read(Input): Value,
   preload(Input): void,
@@ -66,7 +67,23 @@ function readContext(Context, observedBits) {
 
 const CacheContext = createContext(null);
 
+type Config = {
+  useLRU?: boolean,
+};
+
 const entries: Map<Resource<any, any, any>, Map<any, any>> = new Map();
+const resourceConfigs: Map<Resource<any, any, any>, Config> = new Map();
+
+function getEntriesForResource(resource: any): Map<any, any> {
+  let entriesForResource = ((entries.get(resource): any): Map<any, any>);
+  if (entriesForResource === undefined) {
+    const config = resourceConfigs.get(resource);
+    entriesForResource =
+      config !== undefined && config.useLRU ? new LRU({ max: 10 }) : new Map();
+    entries.set(resource, entriesForResource);
+  }
+  return entriesForResource;
+}
 
 function accessResult<Input, Key, Value>(
   resource: any,
@@ -74,7 +91,7 @@ function accessResult<Input, Key, Value>(
   input: Input,
   key: Key
 ): Result<Value> {
-  const entriesForResource = ((entries.get(resource): any): Map<any, any>);
+  const entriesForResource = getEntriesForResource(resource);
   const entry = entriesForResource.get(key);
   if (entry === undefined) {
     const thenable = fetch(input);
@@ -108,11 +125,15 @@ function accessResult<Input, Key, Value>(
 export function createResource<Input, Key: string | number, Value>(
   fetch: Input => Thenable<Value>,
   hashInput: Input => Key,
-  useLRU?: boolean = false
+  config?: Config = {}
 ): Resource<Input, Key, Value> {
   const resource = {
+    clear(): void {
+      entries.delete(resource);
+    },
+
     invalidate(key: Key): void {
-      const entriesForResource = ((entries.get(resource): any): Map<any, any>);
+      const entriesForResource = getEntriesForResource(resource);
       if (entriesForResource instanceof Map) {
         entriesForResource.delete(key);
       } else {
@@ -156,7 +177,7 @@ export function createResource<Input, Key: string | number, Value>(
     },
 
     write(key: Key, value: Value): void {
-      const entriesForResource = ((entries.get(resource): any): Map<any, any>);
+      const entriesForResource = getEntriesForResource(resource);
 
       const resolvedResult: ResolvedResult<Value> = {
         status: Resolved,
@@ -167,7 +188,7 @@ export function createResource<Input, Key: string | number, Value>(
     },
   };
 
-  entries.set(resource, useLRU ? new LRU({ max: 10 }) : new Map());
+  resourceConfigs.set(resource, config);
 
   return resource;
 }
diff --git a/src/devtools/views/Components/InspectedElementContext.js b/src/devtools/views/Components/InspectedElementContext.js
index fbbc572f7b..99263e4c18 100644
--- a/src/devtools/views/Components/InspectedElementContext.js
+++ b/src/devtools/views/Components/InspectedElementContext.js
@@ -31,6 +31,27 @@ type InProgressRequest = {|
   resolveFn: ResolveFn,
 |};
 
+const inProgressRequests: Map<number, InProgressRequest> = new Map();
+const resource: Resource<number, number, InspectedElement> = createResource(
+  (id: number) => {
+    let request = inProgressRequests.get(id);
+    if (request != null) {
+      return request.promise;
+    }
+
+    let resolveFn = ((null: any): ResolveFn);
+    const promise = new Promise(resolve => {
+      resolveFn = resolve;
+    });
+
+    inProgressRequests.set(id, { promise, resolveFn });
+
+    return promise;
+  },
+  (id: number) => id,
+  { useLRU: true }
+);
+
 type Props = {|
   children: React$Node,
 |};
@@ -42,34 +63,6 @@ function InspectedElementContextController({ children }: Props) {
 
   const [count, setCount] = useState<number>(0);
 
-  const inProgressRequests = useMemo<Map<number, InProgressRequest>>(
-    () => new Map(),
-    []
-  );
-
-  const resource = useMemo<Resource<number, number, InspectedElement>>(
-    () =>
-      createResource(
-        (id: number) => {
-          let request = inProgressRequests.get(id);
-          if (request != null) {
-            return request.promise;
-          }
-
-          let resolveFn = ((null: any): ResolveFn);
-          const promise = new Promise(resolve => {
-            resolveFn = resolve;
-          });
-
-          inProgressRequests.set(id, { promise, resolveFn });
-
-          return promise;
-        },
-        (id: number) => id
-      ),
-    [inProgressRequests]
-  );
-
   // This effect handler invalidates the suspense cache and schedules rendering updates with React.
   useEffect(() => {
     const onInspectedElement = (
@@ -103,7 +96,7 @@ function InspectedElementContextController({ children }: Props) {
 
     bridge.addListener('inspectedElement', onInspectedElement);
     return () => bridge.removeListener('inspectedElement', onInspectedElement);
-  }, [bridge, inProgressRequests, inspectedElementID, resource]);
+  }, [bridge, inspectedElementID]);
 
   // This effect handler polls for updates on the currently selected element.
   useEffect(() => {