diff --git a/maven-plugin-descriptor/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java b/maven-plugin-descriptor/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
index 5997ad0d1a..bbc992c956 100644
--- a/maven-plugin-descriptor/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
+++ b/maven-plugin-descriptor/src/main/java/org/apache/maven/plugin/descriptor/PluginDescriptor.java
@@ -35,8 +35,6 @@ public class PluginDescriptor
 
     private List dependencies;
 
-    private boolean isolatedRealm;
-
     private String goalPrefix;
 
     private String source;
@@ -98,11 +96,6 @@ public class PluginDescriptor
     // Dependencies
     // ----------------------------------------------------------------------
 
-    public boolean isIsolatedRealm()
-    {
-        return isolatedRealm;
-    }
-
     public static String constructPluginKey( String groupId, String artifactId, String version )
     {
         return groupId + ":" + artifactId + ":" + version;