diff --git a/demos/device/device_os_none/.cproject b/demos/device/device_os_none/.cproject
index d4d768f3..136956d5 100644
--- a/demos/device/device_os_none/.cproject
+++ b/demos/device/device_os_none/.cproject
@@ -112,7 +112,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="axf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe" cleanCommand="rm -rf" description="lpc11u37 from microbuilder" errorParsers="org.eclipse.cdt.core.CWDLocator;org.eclipse.cdt.core.GASErrorParser;org.eclipse.cdt.core.GCCErrorParser;org.eclipse.cdt.core.GLDErrorParser;org.eclipse.cdt.core.GmakeErrorParser;org.eclipse.cdt.core.MakeErrorParser" id="com.crt.advproject.config.exe.debug.856400198.534940316" name="Board rf1ghznode" parent="com.crt.advproject.config.exe.debug" postannouncebuildStep="Performing post-build steps" postbuildStep="arm-none-eabi-size &quot;${BuildArtifactFileName}&quot;; #arm-none-eabi-objcopy -O binary &quot;${BuildArtifactFileName}&quot; &quot;${BuildArtifactFileBaseName}.bin&quot; ; checksum -p ${TargetChip} -d &quot;${BuildArtifactFileBaseName}.bin&quot;;  " preannouncebuildStep="" prebuildStep="">
+				<configuration artifactExtension="axf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe" cleanCommand="rm -rf" description="lpc11u37 from microbuilder.eu" errorParsers="org.eclipse.cdt.core.CWDLocator;org.eclipse.cdt.core.GASErrorParser;org.eclipse.cdt.core.GCCErrorParser;org.eclipse.cdt.core.GLDErrorParser;org.eclipse.cdt.core.GmakeErrorParser;org.eclipse.cdt.core.MakeErrorParser" id="com.crt.advproject.config.exe.debug.856400198.534940316" name="Board rf1ghznode" parent="com.crt.advproject.config.exe.debug" postannouncebuildStep="Performing post-build steps" postbuildStep="arm-none-eabi-size &quot;${BuildArtifactFileName}&quot;; #arm-none-eabi-objcopy -O binary &quot;${BuildArtifactFileName}&quot; &quot;${BuildArtifactFileBaseName}.bin&quot; ; checksum -p ${TargetChip} -d &quot;${BuildArtifactFileBaseName}.bin&quot;;  " preannouncebuildStep="" prebuildStep="">
 					<folderInfo id="com.crt.advproject.config.exe.debug.856400198.534940316." name="/" resourcePath="">
 						<toolChain errorParsers="" id="com.crt.advproject.toolchain.exe.debug.1347871780" name="Code Red MCU Tools" superClass="com.crt.advproject.toolchain.exe.debug">
 							<targetPlatform binaryParser="org.eclipse.cdt.core.ELF;org.eclipse.cdt.core.GNU_ELF" id="com.crt.advproject.platform.exe.debug.1543738985" name="ARM-based MCU (Debug)" superClass="com.crt.advproject.platform.exe.debug"/>
diff --git a/demos/device/device_os_none/_makefile.defs b/demos/device/device_os_none/_makefile.defs
deleted file mode 100644
index bf691d5f..00000000
--- a/demos/device/device_os_none/_makefile.defs
+++ /dev/null
@@ -1,10 +0,0 @@
-#Project absolute path
-build_dir = $(subst \,/,$(PWD))
-proj_path =  $(build_dir)/..
-
-#get workspace absolute path
-workspace_dir = $(shell cd $(proj_path)/../../.. ; pwd)
-#workspace_dir = $(proj_path)/../../../
-#$(warning workspace $(workspace_dir))
-
-#include $(workspace_dir)/demos/demos.mk