diff --git a/org.eclipse.xtext.testlanguages/build.properties b/org.eclipse.xtext.testlanguages/build.properties
index 810a0a9ab..61a9f3e37 100644
--- a/org.eclipse.xtext.testlanguages/build.properties
+++ b/org.eclipse.xtext.testlanguages/build.properties
@@ -1,8 +1,8 @@
-bin.includes = .,\
+bin.includes = model/generated/,\
+               .,\
                META-INF/,\
                plugin.xml,\
-               about.html,\
-               model/
+               about.html
 source.. = src-gen/,\
            src/,\
            xtend-gen/
diff --git a/org.eclipse.xtext.tests/generator/src/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.xtend b/org.eclipse.xtext.tests/generator/src/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.xtend
index 60fc40264..df78b3521 100644
--- a/org.eclipse.xtext.tests/generator/src/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.xtend
+++ b/org.eclipse.xtext.tests/generator/src/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.xtend
@@ -21,6 +21,11 @@ class TestsEMFGeneratorFragment extends EMFGeneratorFragment2 {
 	
 	String genModel
 	
+	new() {
+		super()
+		updateBuildProperties = false
+	}
+	
 	override setGenModel(String genModel) {
 		this.genModel = genModel
 		super.setGenModel(genModel)
diff --git a/org.eclipse.xtext.tests/generator/xtend-gen/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.java b/org.eclipse.xtext.tests/generator/xtend-gen/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.java
index b4d1a7650..6d55a75c5 100644
--- a/org.eclipse.xtext.tests/generator/xtend-gen/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.java
+++ b/org.eclipse.xtext.tests/generator/xtend-gen/org/eclipse/xtext/tests/TestsEMFGeneratorFragment.java
@@ -23,6 +23,11 @@ public class TestsEMFGeneratorFragment extends EMFGeneratorFragment2 {
   
   private String genModel;
   
+  public TestsEMFGeneratorFragment() {
+    super();
+    this.setUpdateBuildProperties(false);
+  }
+  
   @Override
   public void setGenModel(final String genModel) {
     this.genModel = genModel;