diff --git a/.project b/.project
index 4cb03bd..f82932d 100644
--- a/.project
+++ b/.project
@@ -6,24 +6,17 @@
 	</projects>
 	<buildSpec>
 		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
+			<name>org.eclipse.wst.common.project.facet.core.builder</name>
 			<arguments>
 			</arguments>
 		</buildCommand>
 		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>full,incremental,</triggers>
+			<name>org.eclipse.jdt.core.javabuilder</name>
 			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/org.eclipse.wst.common.project.facet.core.builder.launch</value>
-				</dictionary>
 			</arguments>
 		</buildCommand>
 	</buildSpec>
 	<natures>
-		<nature>org.springframework.ide.eclipse.core.springnature</nature>
-		<nature>org.sonar.ide.eclipse.core.sonarNature</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
 	</natures>
diff --git a/.settings/org.eclipse.jst.j2ee.ejb.annotations.xdoclet.prefs b/.settings/org.eclipse.jst.j2ee.ejb.annotations.xdoclet.prefs
deleted file mode 100644
index 7c8126d..0000000
--- a/.settings/org.eclipse.jst.j2ee.ejb.annotations.xdoclet.prefs
+++ /dev/null
@@ -1,5 +0,0 @@
-XDOCLETBUILDERACTIVE=true
-XDOCLETHOME=
-XDOCLETUSEGLOBAL=true
-XDOCLETVERSION=1.2.1
-eclipse.preferences.version=1
diff --git a/.settings/org.testng.eclipse.maven.prefs b/.settings/org.testng.eclipse.maven.prefs
deleted file mode 100644
index e2415ea..0000000
--- a/.settings/org.testng.eclipse.maven.prefs
+++ /dev/null
@@ -1,6 +0,0 @@
-eclipse.preferences.version=1
-org.testng.eclipse.maven.additionalClasspath=true
-org.testng.eclipse.maven.argline=true
-org.testng.eclipse.maven.environ=true
-org.testng.eclipse.maven.sysproperties=true
-userprojectsettings=false
diff --git a/lib/README b/lib/README
index fdf46d1..7844579 100644
--- a/lib/README
+++ b/lib/README
@@ -3,9 +3,3 @@
 Twitter :
 - jackson-*
 
-
-
-Spring:
-- aopalliance-1.0.jar
-- spring*
-
diff --git a/lib/README~ b/lib/README~
deleted file mode 100644
index fd98efd..0000000
--- a/lib/README~
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-
-Spring:
-- aopalliance-1.0.jar
-- spring*
\ No newline at end of file