--- a/python/mozboot/mozboot/osx.py
+++ b/python/mozboot/mozboot/osx.py
@@ -285,18 +285,18 @@ class OSXBootstrapper(BaseBootstrapper):
         self.brew = self.which('brew')
         assert self.brew is not None
         cmd = [self.brew] + extra_brew_args
 
         installed = self.check_output(cmd + ['list']).split()
 
         printed = False
 
-        for name, package in packages:
-            if name in installed:
+        for package in packages:
+            if package in installed:
                 continue
 
             if not printed:
                 print(PACKAGE_MANAGER_PACKAGES % ('Homebrew',))
                 printed = True
 
             subprocess.check_call(cmd + ['install', package])
 
@@ -307,48 +307,47 @@ class OSXBootstrapper(BaseBootstrapper):
         return self._ensure_homebrew_packages(casks, extra_brew_args=['cask'])
 
     def ensure_homebrew_system_packages(self):
         packages = [
             # We need to install Python because Mercurial requires the Python
             # development headers which are missing from OS X (at least on
             # 10.8) and because the build system wants a version newer than
             # what Apple ships.
-            ('python', 'python'),
-            ('mercurial', 'mercurial'),
-            ('git', 'git'),
-            ('autoconf@2.13', 'autoconf@2.13'),
-            ('gnu-tar', 'gnu-tar'),
-            ('watchman', 'watchman',),
-            ('terminal-notifier', 'terminal-notifier')
+            'python',
+            'mercurial',
+            'git',
+            'autoconf@2.13',
+            'gnu-tar',
+            'watchman',
+            'terminal-notifier',
         ]
         self._ensure_homebrew_packages(packages)
 
     def ensure_homebrew_browser_packages(self, artifact_mode=False):
         # TODO: Figure out what not to install for artifact mode
         packages = [
-            ('yasm', 'yasm'),
-            ('llvm', 'llvm'),
+            'llvm',
+            'yasm',
         ]
         self._ensure_homebrew_packages(packages)
 
     def ensure_homebrew_mobile_android_packages(self, artifact_mode=False):
         # Multi-part process:
         # 1. System packages.
         # 2. Android SDK. Android NDK only if we are not in artifact mode. Android packages.
 
         # 1. System packages.
         packages = [
-            ('brew-cask', 'caskroom/cask/brew-cask'),  # For installing Java later.
-            ('wget', 'wget'),
+            'wget',
         ]
         self._ensure_homebrew_packages(packages)
 
         casks = [
-            ('java', 'java'),
+            'java',
         ]
         installed = self._ensure_homebrew_casks(casks)
         if installed:
             print(JAVA_LICENSE_NOTICE)  # We accepted a license agreement for the user.
 
         is_64bits = sys.maxsize > 2**32
         if not is_64bits:
             raise Exception('You need a 64-bit version of Mac OS X to build Firefox for Android.')