diff --git a/maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutor.java b/maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutor.java
index 60c8d87642..aca6965448 100644
--- a/maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutor.java
+++ b/maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutor.java
@@ -73,13 +73,15 @@ public interface LifecycleExecutor
 
     void execute( MavenSession session );
 
-    public void calculateForkedExecutions( MojoExecution mojoExecution, MavenSession session )
+    // used by the site plugin 3.x
+    void calculateForkedExecutions( MojoExecution mojoExecution, MavenSession session )
         throws MojoNotFoundException, PluginNotFoundException, PluginResolutionException,
         PluginDescriptorParsingException, NoPluginFoundForPrefixException, InvalidPluginDescriptorException,
         LifecyclePhaseNotFoundException, LifecycleNotFoundException, PluginVersionResolutionException;
 
 
-    public List<MavenProject> executeForkedExecutions( MojoExecution mojoExecution, MavenSession session )
+    // used by the site plugin 3.x
+    List<MavenProject> executeForkedExecutions( MojoExecution mojoExecution, MavenSession session )
         throws LifecycleExecutionException;