diff --git a/core/src/main/java/hudson/ClassicPluginStrategy.java b/core/src/main/java/hudson/ClassicPluginStrategy.java
index d55182a8f0704699410ba8b98117fa0de814112d..f6ff296872aea5360dbb2d5a41dc1c1766170e25 100644
--- a/core/src/main/java/hudson/ClassicPluginStrategy.java
+++ b/core/src/main/java/hudson/ClassicPluginStrategy.java
@@ -386,7 +386,7 @@ public class ClassicPluginStrategy implements PluginStrategy {
             return; // no need to expand
 
         // delete the contents so that old files won't interfere with new files
-        Util.deleteContentsRecursive(destDir);
+        Util.deleteRecursive(destDir);
 
         try {
             Expand e = new Expand();