diff --git a/platformio/builder/main.py b/platformio/builder/main.py
index 9b227c42..04a19eba 100644
--- a/platformio/builder/main.py
+++ b/platformio/builder/main.py
@@ -19,7 +19,6 @@ from os import environ
 from os.path import expanduser, join
 from time import time
 
-from SCons import Builder, Util
 from SCons.Script import (ARGUMENTS, COMMAND_LINE_TARGETS, DEFAULT_TARGETS,
                           Action, AllowSubstExceptions, AlwaysBuild,
                           DefaultEnvironment, Variables)
@@ -28,19 +27,6 @@ from platformio import util
 
 AllowSubstExceptions(NameError)
 
-
-def scons_patched_match_splitext(path, suffixes=None):
-    """
-    Patch SCons Builder, append $OBJSUFFIX to the end of each target
-    """
-    tokens = Util.splitext(path)
-    if suffixes and tokens[1] and tokens[1] in suffixes:
-        return (path, tokens[1])
-    return tokens
-
-
-Builder.match_splitext = scons_patched_match_splitext
-
 # allow common variables from INI file
 commonvars = Variables(None)
 commonvars.AddVariables(
diff --git a/platformio/builder/tools/platformio.py b/platformio/builder/tools/platformio.py
index 61f91981..da82de85 100644
--- a/platformio/builder/tools/platformio.py
+++ b/platformio/builder/tools/platformio.py
@@ -20,10 +20,9 @@ from glob import glob
 from os import sep, walk
 from os.path import basename, dirname, isdir, join, realpath
 
-from SCons.Action import Action
+from SCons import Action, Builder, Util
 from SCons.Script import (COMMAND_LINE_TARGETS, AlwaysBuild,
                           DefaultEnvironment, SConscript)
-from SCons.Util import case_sensitive_suffixes, is_Sequence
 
 from platformio.util import glob_escape, pioversion_to_intstr
 
@@ -33,6 +32,16 @@ SRC_BUILD_EXT = SRC_C_EXT + ["S", "spp", "SPP", "sx", "s", "asm", "ASM"]
 SRC_FILTER_DEFAULT = ["+<*>", "-<.git%s>" % sep, "-<svn%s>" % sep]
 
 
+def scons_patched_match_splitext(path, suffixes=None):
+    """
+    Patch SCons Builder, append $OBJSUFFIX to the end of each target
+    """
+    tokens = Util.splitext(path)
+    if suffixes and tokens[1] and tokens[1] in suffixes:
+        return (path, tokens[1])
+    return tokens
+
+
 def BuildProgram(env):
 
     def _append_pio_macros():
@@ -45,7 +54,7 @@ def BuildProgram(env):
     env.PrintConfiguration()
 
     # fix ASM handling under non case-sensitive OS
-    if not case_sensitive_suffixes(".s", ".S"):
+    if not Util.case_sensitive_suffixes(".s", ".S"):
         env.Replace(AS="$CC", ASCOM="$ASPPCOM")
 
     if "__debug" in COMMAND_LINE_TARGETS:
@@ -101,7 +110,8 @@ def BuildProgram(env):
     program = env.Program(
         join("$BUILD_DIR", env.subst("$PROGNAME")), env['PIOBUILDFILES'])
 
-    checksize_action = Action(env.CheckUploadSize, "Checking program size")
+    checksize_action = Action.Action(env.CheckUploadSize,
+                                     "Checking program size")
     AlwaysBuild(env.Alias("checkprogsize", program, checksize_action))
     if set(["upload", "program"]) & set(COMMAND_LINE_TARGETS):
         env.AddPostAction(program, checksize_action)
@@ -116,7 +126,7 @@ def ProcessFlags(env, flags):  # pylint: disable=too-many-branches
         flags = " ".join(flags)
     parsed_flags = env.ParseFlags(str(flags))
     for flag in parsed_flags.pop("CPPDEFINES"):
-        if not is_Sequence(flag):
+        if not Util.is_Sequence(flag):
             env.Append(CPPDEFINES=flag)
             continue
         _key, _value = flag[:2]
@@ -258,6 +268,8 @@ def BuildFrameworks(env, frameworks):
 
     for f in frameworks:
         if f in ("arduino", "energia"):
+            # Arduino IDE appends .o the end of filename
+            Builder.match_splitext = scons_patched_match_splitext
             env.ConvertInoToCpp()
 
         if f in board_frameworks: