diff --git a/src/components/CatalogPage.tsx b/src/components/CatalogPage.tsx
index 0e351b5f7..57c4f1d03 100644
--- a/src/components/CatalogPage.tsx
+++ b/src/components/CatalogPage.tsx
@@ -103,11 +103,7 @@ export default class CatalogPage extends React.Component<CatalogPageProps, {}> {
   }
 
   expandCollectionUrl(url: string): string {
-    return url
-      ? `${document.location.origin}/${url}${
-          url.includes("?") ? "&" : "?"
-        }max_cache_age=0`
-      : url;
+    return url ? `${document.location.origin}/${url}` : url;
   }
 
   expandBookUrl(url: string): string {
diff --git a/src/components/Header.tsx b/src/components/Header.tsx
index 5f5a6ae68..6915b48d6 100644
--- a/src/components/Header.tsx
+++ b/src/components/Header.tsx
@@ -108,7 +108,7 @@ export class Header extends React.Component<HeaderProps, HeaderState> {
 
     // Links that will be rendered in a NavItem Bootstrap component.
     const libraryNavItems = [
-      { label: "Catalog", href: "%2Fgroups?max_cache_age=0" },
+      { label: "Catalog", href: "%2Fgroups" },
       { label: "Hidden Books", href: "%2Fadmin%2Fsuppressed" },
     ];
     // Other links that will be rendered in a Link router component and are library specific.
@@ -231,7 +231,7 @@ export class Header extends React.Component<HeaderProps, HeaderState> {
     let library = this.libraryRef.current.getValue();
     if (library) {
       this.context.router.push(
-        "/admin/web/collection/" + library + "%2Fgroups?max_cache_age=0"
+        "/admin/web/collection/" + library + "%2Fgroups"
       );
       this.forceUpdate();
     }
diff --git a/src/components/__tests__/CatalogPage-test.tsx b/src/components/__tests__/CatalogPage-test.tsx
index 96a22ed7e..14d9c58b3 100644
--- a/src/components/__tests__/CatalogPage-test.tsx
+++ b/src/components/__tests__/CatalogPage-test.tsx
@@ -29,7 +29,7 @@ describe("CatalogPage", () => {
   it("renders OPDSCatalog", () => {
     const catalog = wrapper.find(OPDSCatalog);
     expect(catalog.prop("collectionUrl")).to.equal(
-      host + "/library/collectionurl?max_cache_age=0"
+      host + "/library/collectionurl"
     );
     expect(catalog.prop("bookUrl")).to.equal(host + "/library/works/bookurl");
     expect(catalog.prop("BookDetailsContainer").name).to.equal(
@@ -45,7 +45,7 @@ describe("CatalogPage", () => {
   it("handles the case in which the URL already contains a query string", () => {
     const queryUrl = "library/collectionurl?samplequery=test";
     expect(wrapper.instance().expandCollectionUrl(queryUrl)).to.equal(
-      host + "/library/collectionurl?samplequery=test&max_cache_age=0"
+      host + "/library/collectionurl?samplequery=test"
     );
   });
 
diff --git a/src/components/__tests__/Header-test.tsx b/src/components/__tests__/Header-test.tsx
index 01e1dcf87..26d60f80d 100644
--- a/src/components/__tests__/Header-test.tsx
+++ b/src/components/__tests__/Header-test.tsx
@@ -255,7 +255,7 @@ describe("Header", () => {
 
       expect(fullContext.router.push.callCount).to.equal(1);
       expect(fullContext.router.push.args[0][0]).to.equal(
-        "/admin/web/collection/bpl%2Fgroups?max_cache_age=0"
+        "/admin/web/collection/bpl%2Fgroups"
       );
     });