diff --git a/platformio/builder/main.py b/platformio/builder/main.py
index c656da0b..95c4d4ca 100644
--- a/platformio/builder/main.py
+++ b/platformio/builder/main.py
@@ -29,6 +29,7 @@ from SCons.Script import DefaultEnvironment  # pylint: disable=import-error
 from SCons.Script import Variables  # pylint: disable=import-error
 
 from platformio import util
+from platformio.compat import PY2, path_to_unicode
 from platformio.project.helpers import (
     get_project_dir, get_project_optional_dir, get_projectbuild_dir,
     get_projectdata_dir, get_projectinclude_dir, get_projectlib_dir,
@@ -174,7 +175,7 @@ env.LoadPioPlatform(commonvars)
 env.SConscriptChdir(0)
 env.SConsignFile(
     join("$PROJECTBUILD_DIR",
-         ".sconsign.dblite" if util.PY2 else ".sconsign3.dblite"))
+         ".sconsign.dblite" if PY2 else ".sconsign3.dblite"))
 
 for item in env.GetExtraScripts("pre"):
     env.SConscript(item, exports="env")
@@ -216,7 +217,7 @@ if "envdump" in COMMAND_LINE_TARGETS:
 
 if "idedata" in COMMAND_LINE_TARGETS:
     try:
-        print("\n%s\n" % util.path_to_unicode(
+        print("\n%s\n" % path_to_unicode(
             json.dumps(env.DumpIDEData(), ensure_ascii=False)))
         env.Exit(0)
     except UnicodeDecodeError:
diff --git a/platformio/managers/package.py b/platformio/managers/package.py
index 4d637716..a089cc5d 100644
--- a/platformio/managers/package.py
+++ b/platformio/managers/package.py
@@ -26,6 +26,7 @@ import requests
 import semantic_version
 
 from platformio import __version__, app, exception, telemetry, util
+from platformio.compat import path_to_unicode
 from platformio.downloader import FileDownloader
 from platformio.lockfile import LockFile
 from platformio.unpacker import FileUnpacker
@@ -392,7 +393,7 @@ class PkgInstallerMixin(object):
         if "version" not in manifest:
             manifest['version'] = "0.0.0"
 
-        manifest['__pkg_dir'] = util.path_to_unicode(pkg_dir)
+        manifest['__pkg_dir'] = path_to_unicode(pkg_dir)
         self.cache_set(cache_key, manifest)
         return manifest
 
@@ -449,7 +450,7 @@ class PkgInstallerMixin(object):
 
     def get_package_by_dir(self, pkg_dir):
         for manifest in self.get_installed():
-            if manifest['__pkg_dir'] == util.path_to_unicode(abspath(pkg_dir)):
+            if manifest['__pkg_dir'] == path_to_unicode(abspath(pkg_dir)):
                 return manifest
         return None