diff --git a/make.js b/make.js
index e8a657004..8984b6457 100644
--- a/make.js
+++ b/make.js
@@ -572,7 +572,10 @@ target.mozcentral = function() {
          '../../LICENSE'],
       DEFAULT_LOCALE_FILES =
         [LOCALE_SRC_DIR + 'en-US/viewer.properties',
-         LOCALE_SRC_DIR + 'en-US/chrome.properties'];
+         LOCALE_SRC_DIR + 'en-US/chrome.properties'],
+      FIREFOX_MC_EXCLUDED_FILES =
+        ['icon.png',
+         'icon64.png'];
 
   target.bundle({ excludes: ['core/network.js'], defines: defines });
   cd(ROOT_DIR);
@@ -621,6 +624,15 @@ target.mozcentral = function() {
       rm('-f', file);
   });
 
+  // Remove excluded files
+  cd(MOZCENTRAL_EXTENSION_DIR);
+  FIREFOX_MC_EXCLUDED_FILES.forEach(function(file) {
+    if (test('-f', file)) {
+      rm('-r', file);
+    }
+  });
+  cd(ROOT_DIR);
+
   // Copy default localization files
   cp(DEFAULT_LOCALE_FILES, MOZCENTRAL_L10N_DIR);