diff --git a/platform/util/src/com/intellij/util/lang/UrlClassLoader.java b/platform/util/src/com/intellij/util/lang/UrlClassLoader.java
index 5299cf9e5be1..85f55fa90102 100644
--- a/platform/util/src/com/intellij/util/lang/UrlClassLoader.java
+++ b/platform/util/src/com/intellij/util/lang/UrlClassLoader.java
@@ -32,7 +32,6 @@ import java.util.*;
 public class UrlClassLoader extends ClassLoader {
   private final ClassPath myClassPath;
   private final List<URL> myURLs;
-  private final Set<String> myNotFound = new THashSet<String>();
   @NonNls static final String CLASS_EXTENSION = ".class";
   protected static final boolean myDebugTime = false;
   protected static final long NS_THRESHOLD = 10000000;
@@ -70,12 +69,8 @@ public class UrlClassLoader extends ClassLoader {
   }
 
   protected Class findClass(final String name) throws ClassNotFoundException {
-    if (myNotFound.contains(name)) {
-      throw new ClassNotFoundException(name);
-    }
     Resource res = myClassPath.getResource(name.replace('.', '/').concat(CLASS_EXTENSION), false);
     if (res == null) {
-      myNotFound.add(name);
       throw new ClassNotFoundException(name);
     }