diff --git a/browser/base/content/browser-addons.js b/browser/base/content/browser-addons.js
index 006a9edc7c1..762e0703cfa 100644
--- a/browser/base/content/browser-addons.js
+++ b/browser/base/content/browser-addons.js
@@ -179,17 +179,10 @@ const gXPInstallObserver = {
               addonList.firstChild.remove();
 
             for (let install of installInfo.installs) {
-              let container = document.createElement("hbox");
               let name = document.createElement("label");
-              let author = document.createElement("label");
               name.setAttribute("value", install.addon.name);
-              author.setAttribute("value", !install.addon.creator ? "" :
-                gNavigatorBundle.getFormattedString("addonConfirmInstall.author", [install.addon.creator]));
               name.setAttribute("class", "addon-install-confirmation-name");
-              author.setAttribute("class", "addon-install-confirmation-author");
-              container.appendChild(name);
-              container.appendChild(author);
-              addonList.appendChild(container);
+              addonList.appendChild(name);
             }
 
             this.acceptInstallation = () => {
diff --git a/browser/locales/en-US/chrome/browser/browser.properties b/browser/locales/en-US/chrome/browser/browser.properties
index 276f35df21f..190360819de 100644
--- a/browser/locales/en-US/chrome/browser/browser.properties
+++ b/browser/locales/en-US/chrome/browser/browser.properties
@@ -48,9 +48,6 @@ addonInstall.acceptButton.accesskey=I
 # #1 is brandShortName
 # #2 is the number of add-ons being installed
 addonConfirmInstall.message=This site would like to install an add-on in #1:;This site would like to install #2 add-ons in #1:
-# LOCALIZATION NOTE (addonConfirmInstall.author):
-# %S is the add-on author's name
-addonConfirmInstall.author=by %S
 
 addonwatch.slow=%1$S might be making %2$S run slowly
 addonwatch.disable.label=Disable %S