diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index 4a9a6c0ce6f2..b478e2498871 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -4405,6 +4405,11 @@ nsDocShell::DisplayLoadError(nsresult aError, nsIURI* aURI,
     }
   }
 
+  // Test if the error should be displayed
+  if (!error) {
+    return NS_OK;
+  }
+
   if (mLoadURIDelegate) {
     nsCOMPtr<nsIURI> errorPageURI;
     rv = mLoadURIDelegate->HandleLoadError(aURI, aError,
@@ -4422,11 +4427,6 @@ nsDocShell::DisplayLoadError(nsresult aError, nsIURI* aURI,
     }
   }
 
-  // Test if the error should be displayed
-  if (!error) {
-    return NS_OK;
-  }
-
   if (!errorDescriptionID) {
     errorDescriptionID = error;
   }
diff --git a/dom/interfaces/base/nsIBrowser.idl b/dom/interfaces/base/nsIBrowser.idl
index f4453b601a49..4ab901423f09 100644
--- a/dom/interfaces/base/nsIBrowser.idl
+++ b/dom/interfaces/base/nsIBrowser.idl
@@ -7,7 +7,6 @@ interface nsIContentSecurityPolicy;
 interface nsIPrincipal;
 interface nsIURI;
 interface nsIWebProgress;
-interface nsIReferrerInfo;
 
 webidl FrameLoader;
 
@@ -82,7 +81,6 @@ interface nsIBrowser : nsISupports
 
   readonly attribute nsIPrincipal contentPrincipal;
   readonly attribute nsIContentSecurityPolicy csp;
-  readonly attribute nsIReferrerInfo referrerInfo;
 
   /**
    * Whether or not the browser is in the process of an nsIWebNavigation
@@ -138,7 +136,6 @@ interface nsIBrowser : nsISupports
    * @param aContentStoragePrincipal the security principal for the new
    *                                 document's storage
    * @param aCSP the content security policy of the new document
-   * @param aReferrerInfo the referrer info of the new document
    * @param aIsSynthetic whether or not the document is synthetic
    * @param aInnerWindowID the inner window ID of the document
    * @param aHasRequestContextID whether or not the the request context has a
@@ -155,7 +152,6 @@ interface nsIBrowser : nsISupports
                                in nsIPrincipal aContentPrincipal,
                                in nsIPrincipal aContentStoragePrincipal,
                                in nsIContentSecurityPolicy aCSP,
-                               in nsIReferrerInfo aReferrerInfo,
                                in boolean aIsSynthetic,
                                in uint64_t aInnerWindowID,
                                in boolean aHasRequestContextID,
diff --git a/dom/ipc/BrowserChild.cpp b/dom/ipc/BrowserChild.cpp
index 6ed1c6b6a35a..d0dcf4224ae1 100644
--- a/dom/ipc/BrowserChild.cpp
+++ b/dom/ipc/BrowserChild.cpp
@@ -3616,7 +3616,6 @@ NS_IMETHODIMP BrowserChild::OnLocationChange(nsIWebProgress* aWebProgress,
       MOZ_TRY(CSPToCSPInfo(csp, &locationChangeData->csp().ref()));
     }
 
-    locationChangeData->referrerInfo() = document->ReferrerInfo();
     locationChangeData->isSyntheticDocument() = document->IsSyntheticDocument();
 
     if (nsCOMPtr<nsILoadGroup> loadGroup = document->GetDocumentLoadGroup()) {
diff --git a/dom/ipc/BrowserParent.cpp b/dom/ipc/BrowserParent.cpp
index e92749415826..f3b6445e1020 100644
--- a/dom/ipc/BrowserParent.cpp
+++ b/dom/ipc/BrowserParent.cpp
@@ -2494,8 +2494,6 @@ mozilla::ipc::IPCResult BrowserParent::RecvOnLocationChange(
         PrincipalInfoToPrincipal(aLocationChangeData->contentPrincipal());
     nsCOMPtr<nsIPrincipal> contentStoragePrincipal = PrincipalInfoToPrincipal(
         aLocationChangeData->contentStoragePrincipal());
-    nsCOMPtr<nsIReferrerInfo> referrerInfo =
-        aLocationChangeData->referrerInfo();
 
     Unused << browser->SetIsNavigating(aLocationChangeData->isNavigating());
     Unused << browser->UpdateForLocationChange(
@@ -2503,7 +2501,7 @@ mozilla::ipc::IPCResult BrowserParent::RecvOnLocationChange(
         aLocationChangeData->mayEnableCharacterEncodingMenu(),
         aLocationChangeData->charsetAutodetected(),
         aLocationChangeData->documentURI(), aLocationChangeData->title(),
-        contentPrincipal, contentStoragePrincipal, csp, referrerInfo,
+        contentPrincipal, contentStoragePrincipal, csp,
         aLocationChangeData->isSyntheticDocument(),
         aWebProgressData->innerDOMWindowID(),
         aLocationChangeData->requestContextID().isSome(),
diff --git a/dom/ipc/PBrowser.ipdl b/dom/ipc/PBrowser.ipdl
index 791367717056..fef3cef50d62 100644
--- a/dom/ipc/PBrowser.ipdl
+++ b/dom/ipc/PBrowser.ipdl
@@ -153,7 +153,6 @@ struct WebProgressLocationChangeData
   PrincipalInfo contentPrincipal;
   PrincipalInfo contentStoragePrincipal;
   CSPInfo? csp;
-  nsIReferrerInfo referrerInfo;
   uint64_t? requestContextID;
 };
 
diff --git a/toolkit/content/widgets/browser-custom-element.js b/toolkit/content/widgets/browser-custom-element.js
index 92aa89dd7ad8..e52b1061502a 100644
--- a/toolkit/content/widgets/browser-custom-element.js
+++ b/toolkit/content/widgets/browser-custom-element.js
@@ -306,8 +306,6 @@
 
       this._csp = null;
 
-      this._referrerInfo = null;
-
       this._contentRequestContextID = null;
 
       this._fullZoom = 1;
@@ -804,22 +802,6 @@
         this.markupDocumentViewer.fullZoom = val;
       }
     }
-    
-    get referrerInfo() {
-      return this.isRemoteBrowser ? this._referrerInfo : this.contentDocument.referrerInfo;
-    }
-
-    get contentRequestContextID() {
-      if (this.isRemoteBrowser) {
-        return this._contentRequestContextID;
-      }
-      try {
-        return this.contentDocument.documentLoadGroup
-          .requestContextID;
-      } catch (e) {
-        return null;
-      }
-    }
 
     get fullZoom() {
       if (this.isRemoteBrowser) {
@@ -1578,7 +1560,6 @@
       aContentPrincipal,
       aContentStoragePrincipal,
       aCSP,
-      aReferrerInfo,
       aIsSynthetic,
       aInnerWindowID,
       aHaveRequestContextID,
@@ -1603,7 +1584,6 @@
         this._contentPrincipal = aContentPrincipal;
         this._contentStoragePrincipal = aContentStoragePrincipal;
         this._csp = aCSP;
-        this._referrerInfo = aReferrerInfo;
         this._isSyntheticDocument = aIsSynthetic;
         this._innerWindowID = aInnerWindowID;
         this._contentRequestContextID = aHaveRequestContextID