diff --git a/maven-repository-core/pom.xml b/maven-repository-core/pom.xml
index 5f1340b21..19c9874f5 100644
--- a/maven-repository-core/pom.xml
+++ b/maven-repository-core/pom.xml
@@ -35,4 +35,20 @@
       <version>1.0-alpha-2</version>
     </dependency>
   </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>cobertura-maven-plugin</artifactId>
+        <!-- TODO! add unit tests -->
+        <configuration>
+          <instrumentation>
+            <excludes>
+              <exclude>**/**</exclude>
+            </excludes>
+          </instrumentation>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
 </project>
diff --git a/maven-repository-proxy/pom.xml b/maven-repository-proxy/pom.xml
index 1137c896e..77bdc01de 100644
--- a/maven-repository-proxy/pom.xml
+++ b/maven-repository-proxy/pom.xml
@@ -15,7 +15,7 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <parent>
     <groupId>org.apache.maven.repository</groupId>
     <artifactId>maven-repository-manager</artifactId>
@@ -49,19 +49,4 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>cobertura-maven-plugin</artifactId>
-        <configuration>
-          <check>
-            <!-- TODO!: increase coverage
-            <totalLineRate>60</totalLineRate>
-            <totalBranchRate>70</totalBranchRate> -->
-          </check>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
 </project>
diff --git a/maven-repository-webapp/pom.xml b/maven-repository-webapp/pom.xml
index 934c2ce0c..1201eeb7b 100644
--- a/maven-repository-webapp/pom.xml
+++ b/maven-repository-webapp/pom.xml
@@ -15,7 +15,7 @@
   -->
 
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.maven.repository</groupId>
@@ -158,6 +158,18 @@
           </roleDefaults>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>cobertura-maven-plugin</artifactId>
+        <!-- TODO! add unit tests -->
+        <configuration>
+          <instrumentation>
+            <excludes>
+              <exclude>**/**</exclude>
+            </excludes>
+          </instrumentation>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
   <!-- TODO: remove once xwork integration is released -->