diff --git a/orun/extjs/static/ext-4.2.1/.sencha/workspace/codegen b/orun/extjs/static/ext-4.2.1/.sencha/workspace/codegen
deleted file mode 100644
index 853b569..0000000
--- a/orun/extjs/static/ext-4.2.1/.sencha/workspace/codegen
+++ /dev/null
@@ -1,3 +0,0 @@
-.sencha/package/sencha.cfg={"pkgName":"ext-theme-neutral","senchadir":".sencha","uniqueId":"950d69eb-0125-4518-9150-8135087a911f"}
-build.xml={"pkgName":"ext-theme-neutral","senchadir":".sencha","uniqueId":"950d69eb-0125-4518-9150-8135087a911f"}
-package.json={"pkgName":"ext-theme-neutral","senchadir":".sencha","uniqueId":"950d69eb-0125-4518-9150-8135087a911f"}
diff --git a/orun/extjs/static/ext-4.2.1/.sencha/workspace/plugin.xml b/orun/extjs/static/ext-4.2.1/.sencha/workspace/plugin.xml
deleted file mode 100644
index 54626e9..0000000
--- a/orun/extjs/static/ext-4.2.1/.sencha/workspace/plugin.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<project basedir=".">
-    <!--
-    If framework.config.dir is already set, this next task will do nothing and
-    the original value will remain... but if framework.config.dir is not yet
-    defined, we are running in a workspace sans framework and so we need to go
-    directly to the plugin base from cmd.config.dir instead.
-    -->
-    <property name="framework.config.dir" value="${cmd.config.dir}"/>
-
-    <import file="${framework.config.dir}/plugin.xml"/>
-</project>
diff --git a/orun/extjs/static/ext-4.2.1/.sencha/workspace/sencha.cfg b/orun/extjs/static/ext-4.2.1/.sencha/workspace/sencha.cfg
deleted file mode 100644
index e8dc759..0000000
--- a/orun/extjs/static/ext-4.2.1/.sencha/workspace/sencha.cfg
+++ /dev/null
@@ -1,37 +0,0 @@
-# -----------------------------------------------------------------------------
-# This file contains configuration options that apply to all applications in
-# the workspace. By convention, these options start with "workspace." but any
-# option can be set here. Options specified in an application's sencha.cfg will
-# take priority over those values contained in this file. These options will
-# take priority over configuration values in Sencha Cmd or a framework plugin.
-
-# -----------------------------------------------------------------------------
-# This configuration property (if set) is included by default in all compile
-# commands executed according to this formulation:
-#
-#   sencha compile -classpath=...,$\u007Bframework.classpath},$\u007Bworkspace.classpath},$\u007Bapp.classpath}
-#
-#workspace.classpath=platform/core/src,platform/src,extjs/src
-
-#------------------------------------------------------------------------------
-# This is the folder for build outputs in the workspace
-
-workspace.build.dir=${workspace.dir}/build
-
-#------------------------------------------------------------------------------
-# This folder contains all generated and extracted packages.
-
-workspace.packages.dir=${workspace.dir}/packages
-
-# -----------------------------------------------------------------------------
-# This option specifies where Schema definitions are stored.
-
-xworkspace.schema.dir=${workspace.dir}/schema
-
-# =============================================================================
-# Customizations go below this divider to avoid merge conflicts on upgrade
-# =============================================================================
-
-ext.dir=${workspace.dir}
-
-sencha.is.sdk.repo=1