diff --git a/src/main/java/org/apache/ibatis/cache/decorators/SoftCache.java b/src/main/java/org/apache/ibatis/cache/decorators/SoftCache.java
index 55dd2f8325e..5cae86f8d1f 100644
--- a/src/main/java/org/apache/ibatis/cache/decorators/SoftCache.java
+++ b/src/main/java/org/apache/ibatis/cache/decorators/SoftCache.java
@@ -65,8 +65,8 @@ public void putObject(Object key, Object value) {
   @Override
   public Object getObject(Object key) {
     Object result = null;
-    @SuppressWarnings("unchecked") // assumed delegate cache is totally managed by this cache
-    SoftReference<Object> softReference = (SoftReference<Object>) delegate.getObject(key);
+    // assumed delegate cache is totally managed by this cache
+    SoftEntry softReference = (SoftEntry) delegate.getObject(key);
     if (softReference != null) {
       result = softReference.get();
       if (result == null) {
@@ -87,8 +87,7 @@ public Object getObject(Object key) {
   @Override
   public Object removeObject(Object key) {
     removeGarbageCollectedItems();
-    @SuppressWarnings("unchecked")
-    SoftReference<Object> softReference = (SoftReference<Object>) delegate.removeObject(key);
+    SoftEntry softReference = (SoftEntry) delegate.removeObject(key);
     return softReference == null ? null : softReference.get();
   }
 
diff --git a/src/main/java/org/apache/ibatis/cache/decorators/WeakCache.java b/src/main/java/org/apache/ibatis/cache/decorators/WeakCache.java
index 4f3596f5c0a..faed488133e 100644
--- a/src/main/java/org/apache/ibatis/cache/decorators/WeakCache.java
+++ b/src/main/java/org/apache/ibatis/cache/decorators/WeakCache.java
@@ -65,8 +65,8 @@ public void putObject(Object key, Object value) {
   @Override
   public Object getObject(Object key) {
     Object result = null;
-    @SuppressWarnings("unchecked") // assumed delegate cache is totally managed by this cache
-    WeakReference<Object> weakReference = (WeakReference<Object>) delegate.getObject(key);
+    // assumed delegate cache is totally managed by this cache
+    WeakEntry weakReference = (WeakEntry) delegate.getObject(key);
     if (weakReference != null) {
       result = weakReference.get();
       if (result == null) {
@@ -86,8 +86,7 @@ public Object getObject(Object key) {
   @Override
   public Object removeObject(Object key) {
     removeGarbageCollectedItems();
-    @SuppressWarnings("unchecked")
-    WeakReference<Object> weakReference = (WeakReference<Object>) delegate.removeObject(key);
+    WeakEntry weakReference = (WeakEntry) delegate.removeObject(key);
     return weakReference == null ? null : weakReference.get();
   }