diff --git a/maven-core/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java b/maven-core/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
index 46038ebf0b..22a812a623 100644
--- a/maven-core/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
+++ b/maven-core/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
@@ -38,12 +38,9 @@ import org.apache.maven.model.Build;
 import org.apache.maven.model.DomainModel;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.ModelEventListener;
-import org.apache.maven.model.DomainModel;
 import org.apache.maven.model.ProcessorContext;
 import org.apache.maven.model.Profile;
 import org.apache.maven.model.interpolator.Interpolator;
-import org.apache.maven.model.interpolator.InterpolatorProperty;
-import org.apache.maven.model.interpolator.PomInterpolatorTag;
 import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
 import org.apache.maven.profiles.DefaultProfileManager;
 import org.apache.maven.profiles.ProfileActivationException;
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/InterpolatorProperty.java b/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/InterpolatorProperty.java
index f82197f68c..bedf9be2d2 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/InterpolatorProperty.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/InterpolatorProperty.java
@@ -24,7 +24,7 @@ import java.util.*;
 /**
  * Provides interpolator property information.
  */
-public final class InterpolatorProperty
+final class InterpolatorProperty
 {
     /**
      * The key (or name) of the property
diff --git a/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/PomInterpolatorTag.java b/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/PomInterpolatorTag.java
index 57b0c8f2bc..fbb2221ced 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/PomInterpolatorTag.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/model/interpolator/PomInterpolatorTag.java
@@ -1,6 +1,6 @@
 package org.apache.maven.model.interpolator;
 
-public enum PomInterpolatorTag
+enum PomInterpolatorTag
 {
     PROJECT_PROPERTIES,
 
diff --git a/maven-model-builder/src/main/java/org/apache/maven/profiles/DefaultProfileManager.java b/maven-model-builder/src/main/java/org/apache/maven/profiles/DefaultProfileManager.java
index 34134466af..456750386d 100644
--- a/maven-model-builder/src/main/java/org/apache/maven/profiles/DefaultProfileManager.java
+++ b/maven-model-builder/src/main/java/org/apache/maven/profiles/DefaultProfileManager.java
@@ -22,7 +22,6 @@ package org.apache.maven.profiles;
 import org.apache.maven.model.Activation;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.Profile;
-import org.apache.maven.model.interpolator.InterpolatorProperty;
 import org.apache.maven.model.interpolator.PomInterpolatorTag;
 import org.apache.maven.profiles.ProfileActivationContext;
 import org.apache.maven.profiles.ProfileActivationException;