diff --git a/core/src/main/java/org/springframework/security/userdetails/CachingUserDetailsService.java b/core/src/main/java/org/springframework/security/userdetails/CachingUserDetailsService.java
deleted file mode 100644
index 998b9ed2ea..0000000000
--- a/core/src/main/java/org/springframework/security/userdetails/CachingUserDetailsService.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.springframework.security.userdetails;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public interface CachingUserDetailsService extends UserDetailsService, UserDetailsCache {
-}
diff --git a/core/src/main/java/org/springframework/security/userdetails/UserDetailsCache.java b/core/src/main/java/org/springframework/security/userdetails/UserDetailsCache.java
deleted file mode 100644
index 8d4b1382e8..0000000000
--- a/core/src/main/java/org/springframework/security/userdetails/UserDetailsCache.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.springframework.security.userdetails;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public interface UserDetailsCache {
-
-    boolean userIsCached(String username);
-
-    void removeUserFromCache(String username);
-
-    void clearCache();    
-}
diff --git a/core/src/main/java/org/springframework/security/userdetails/decorator/CacheEnabledUserDetailsService.java b/core/src/main/java/org/springframework/security/userdetails/decorator/CacheEnabledUserDetailsService.java
deleted file mode 100644
index 3b4514a0f6..0000000000
--- a/core/src/main/java/org/springframework/security/userdetails/decorator/CacheEnabledUserDetailsService.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.springframework.security.userdetails.decorator;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public class CacheEnabledUserDetailsService {
-}