diff --git a/browser/base/content/browser-places.js b/browser/base/content/browser-places.js
index 6276c60b28ed..5f9225abc891 100644
--- a/browser/base/content/browser-places.js
+++ b/browser/base/content/browser-places.js
@@ -812,8 +812,6 @@ var BookmarksEventHandler = {
       // Call onCommand in the cases where it's not called automatically:
       // Middle-clicks outside of menus.
       this.onCommand(aEvent);
-      aEvent.preventDefault();
-      aEvent.stopPropagation();
     }
   },
 
diff --git a/browser/components/urlbar/UrlbarInput.sys.mjs b/browser/components/urlbar/UrlbarInput.sys.mjs
index 0ffd0adb5152..9acce3987606 100644
--- a/browser/components/urlbar/UrlbarInput.sys.mjs
+++ b/browser/components/urlbar/UrlbarInput.sys.mjs
@@ -3595,18 +3595,6 @@ export class UrlbarInput {
   }
 
   _on_paste(event) {
-    if (event.explicitOriginalTarget != this.inputField) {
-      // In Gecko, a paste event is fired on the field that has focus when
-      // pasting is performed by a middle mouse click. In normal web contents,
-      // it will not be issue because the focus will move to a component
-      // clicked. But for the urlbar (and XUL), as the focus is kept, the paste
-      // event is received even when clicking on other components. Thus, check
-      // the component that is the original source of the event, if it is not
-      // this input component, ignore.
-      event.preventDefault();
-      return;
-    }
-
     let originalPasteData = event.clipboardData.getData("text/plain");
     if (!originalPasteData) {
       return;
diff --git a/browser/components/urlbar/tests/browser/browser_middleClick.js b/browser/components/urlbar/tests/browser/browser_middleClick.js
index b0255a87a447..1a5088f8278f 100644
--- a/browser/components/urlbar/tests/browser/browser_middleClick.js
+++ b/browser/components/urlbar/tests/browser/browser_middleClick.js
@@ -119,25 +119,6 @@ add_task(async function test_middleClickOnHomeButtonWithNewWindow() {
   await testMiddleClickOnHomeButtonWithNewWindow(true);
 });
 
-add_task(async function test_middleClickOnComponentNotHandlingPasteEvent() {
-  Services.prefs.setBoolPref("middlemouse.paste", true);
-
-  info("Set initial value");
-  SpecialPowers.clipboardCopyString("test\nsample");
-  gURLBar.value = "";
-  gURLBar.focus();
-
-  info("Middle click on a component that does not handle paste event");
-  const onPasted = new Promise(r =>
-    gURLBar.addEventListener("paste", r, { once: true })
-  );
-  const allTabsButton = document.getElementById("alltabs-button");
-  EventUtils.synthesizeMouseAtCenter(allTabsButton, { button: 1 });
-  await onPasted;
-
-  Assert.equal(gURLBar.value, "", "URLBar has no pasted value");
-});
-
 async function testMiddleClickOnTab(isMiddleMousePastePrefOn) {
   info(`Set middlemouse.paste [${isMiddleMousePastePrefOn}]`);
   Services.prefs.setBoolPref("middlemouse.paste", isMiddleMousePastePrefOn);