diff --git a/core/.project b/core/.project
index 5adc59b78b4..9884df8b9ca 100644
--- a/core/.project
+++ b/core/.project
@@ -1,32 +1,17 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>core</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/org.eclipse.jdt.core.javabuilder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/New_Builder.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>core</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>