--- a/moz.build
+++ b/moz.build
@@ -47,38 +47,40 @@ if not CONFIG['JS_STANDALONE']:
 
     DIRS += [
         'build',
         'probes',
     ]
 
 DIRS += [
     'config/external/fdlibm',
+    'config/external/nspr',
     'config/external/zlib',
     'memory',
     'mfbt',
     'mozglue',
 ]
 
 if not CONFIG['JS_STANDALONE']:
     DIRS += ['xpcom/xpidl']
 
+if CONFIG['USE_ICU']:
+    DIRS += ['config/external/icu']
+
 if CONFIG['COMPILE_ENVIRONMENT']:
-    DIRS += ['config/external/nspr']
 
     if not CONFIG['JS_STANDALONE']:
         DIRS += [
             'config/external',
             'config/external/nss',
         ]
 
     if CONFIG['BUILD_CTYPES']:
         DIRS += ['config/external/ffi']
-    if CONFIG['USE_ICU']:
-        DIRS += ['config/external/icu']
+
     DIRS += ['js/src']
 else:
     TEST_DIRS += ['js/src/tests']
 
 if not CONFIG['JS_STANDALONE'] and CONFIG['MOZ_BUILD_APP']:
     # Bring in the configuration for the configured application.
     include('/' + CONFIG['MOZ_BUILD_APP'] + '/app.mozbuild')
 

--- a/python/mozbuild/mozbuild/artifacts.py
+++ b/python/mozbuild/mozbuild/artifacts.py
@@ -210,17 +210,16 @@ class LinuxArtifactJob(ArtifactJob):
         'firefox/crashreporter',
         'firefox/dependentlibs.list',
         'firefox/firefox',
         'firefox/firefox-bin',
         'firefox/platform.ini',
         'firefox/plugin-container',
         'firefox/updater',
         'firefox/**/*.so',
-        mozpath.join('firefox', buildconfig.substs.get('ICU_DATA_FILE')),
     }
 
     def process_package_artifact(self, filename, processed_filename):
         added_entry = False
 
         with JarWriter(file=processed_filename, optimize=False, compress_level=5) as writer:
             with tarfile.open(filename) as reader:
                 for f in reader:
@@ -302,17 +301,16 @@ class MacArtifactJob(ArtifactJob):
             # These get copied into dist/bin with the path, so "root/a/b/c" -> "dist/bin/a/b/c".
             paths_keep_path = ('Contents/Resources', [
                 'browser/components/libbrowsercomps.dylib',
                 'dependentlibs.list',
                 # 'firefox',
                 'gmp-clearkey/0.1/libclearkey.dylib',
                 # 'gmp-fake/1.0/libfake.dylib',
                 # 'gmp-fakeopenh264/1.0/libfakeopenh264.dylib',
-                buildconfig.substs.get('ICU_DATA_FILE'),
             ])
 
             with JarWriter(file=processed_filename, optimize=False, compress_level=5) as writer:
                 root, paths = paths_no_keep_path
                 finder = FileFinder(mozpath.join(source, root))
                 for path in paths:
                     for p, f in finder.find(path):
                         self.log(logging.INFO, 'artifact',
@@ -343,17 +341,16 @@ class MacArtifactJob(ArtifactJob):
 
 class WinArtifactJob(ArtifactJob):
     package_artifact_patterns = {
         'firefox/dependentlibs.list',
         'firefox/platform.ini',
         'firefox/application.ini',
         'firefox/**/*.dll',
         'firefox/*.exe',
-        mozpath.join('firefox', buildconfig.substs.get('ICU_DATA_FILE')),
     }
     # These are a subset of TEST_HARNESS_BINS in testing/mochitest/Makefile.in.
     test_artifact_patterns = {
         ('bin/BadCertServer.exe', ('bin', 'bin')),
         ('bin/GenerateOCSPResponse.exe', ('bin', 'bin')),
         ('bin/OCSPStaplingServer.exe', ('bin', 'bin')),
         ('bin/certutil.exe', ('bin', 'bin')),
         ('bin/fileid.exe', ('bin', 'bin')),