diff --git a/tiles-compat/src/main/java/org/apache/tiles/beans/SimpleMenuItem.java b/tiles-compat/src/main/java/org/apache/tiles/beans/SimpleMenuItem.java
index 757f3a1c3..a8c4b5274 100644
--- a/tiles-compat/src/main/java/org/apache/tiles/beans/SimpleMenuItem.java
+++ b/tiles-compat/src/main/java/org/apache/tiles/beans/SimpleMenuItem.java
@@ -132,7 +132,7 @@ public String getTooltip() {
     /** {@inheritDoc} */
     @Override
     public String toString() {
-        StringBuffer buff = new StringBuffer("SimpleMenuItem[");
+        StringBuilder buff = new StringBuilder("SimpleMenuItem[");
 
         if (getValue() != null) {
             buff.append("value=").append(getValue()).append(", ");
diff --git a/tiles-core/src/main/java/org/apache/tiles/util/WildcardHelper.java b/tiles-core/src/main/java/org/apache/tiles/util/WildcardHelper.java
index b6359c6b6..74632439b 100644
--- a/tiles-core/src/main/java/org/apache/tiles/util/WildcardHelper.java
+++ b/tiles-core/src/main/java/org/apache/tiles/util/WildcardHelper.java
@@ -494,8 +494,8 @@ public static String convertParam(String val, Map<Integer, String> vars) {
         }
 
         Map.Entry<Integer, String> entry;
-        StringBuffer key = new StringBuffer("{0}");
-        StringBuffer ret = new StringBuffer(val);
+        StringBuilder key = new StringBuilder("{0}");
+        StringBuilder ret = new StringBuilder(val);
         String keyTmp;
         int x;