diff --git a/src/main/java/org/codehaus/stax2/ri/dom/DOMWrappingReader.java b/src/main/java/org/codehaus/stax2/ri/dom/DOMWrappingReader.java
index 8f4ed8d..3d87ed9 100644
--- a/src/main/java/org/codehaus/stax2/ri/dom/DOMWrappingReader.java
+++ b/src/main/java/org/codehaus/stax2/ri/dom/DOMWrappingReader.java
@@ -657,7 +657,7 @@ public String getNamespacePrefix(int index) {
             handleIllegalNsIndex(index);
         }
         // Note: _nsDeclList entries have been appropriately intern()ed if need be
-        return (String) _nsDeclList.get(index + index);
+        return _nsDeclList.get(index + index);
     }
 
     @Override
@@ -683,7 +683,7 @@ public String getNamespaceURI(int index) {
             handleIllegalNsIndex(index);
         }
         // Note: _nsDeclList entries have been appropriately intern()ed if need be
-        return (String) _nsDeclList.get(index + index + 1);
+        return _nsDeclList.get(index + index + 1);
     }
 
     // Note: implemented as part of NamespaceContext
diff --git a/src/main/java/org/codehaus/stax2/ri/evt/EndElementEventImpl.java b/src/main/java/org/codehaus/stax2/ri/evt/EndElementEventImpl.java
index b7d5a0f..08b3a84 100644
--- a/src/main/java/org/codehaus/stax2/ri/evt/EndElementEventImpl.java
+++ b/src/main/java/org/codehaus/stax2/ri/evt/EndElementEventImpl.java
@@ -61,7 +61,7 @@ public EndElementEventImpl(Location loc, QName name, Iterator<Namespace> namespa
                  * not strictly required, but helps in preventing later
                  * problems
                  */
-                l.add((Namespace) namespaces.next());
+                l.add(namespaces.next());
             }
             mNamespaces = l;
         }
diff --git a/src/main/java/org/codehaus/stax2/ri/evt/StartElementEventImpl.java b/src/main/java/org/codehaus/stax2/ri/evt/StartElementEventImpl.java
index 965d11d..2f555d4 100644
--- a/src/main/java/org/codehaus/stax2/ri/evt/StartElementEventImpl.java
+++ b/src/main/java/org/codehaus/stax2/ri/evt/StartElementEventImpl.java
@@ -124,14 +124,14 @@ public void writeAsEncodedUnicode(Writer w)
             if (_nsDecls != null) {
                 for (int i = 0, len = _nsDecls.size(); i < len; ++i) {
                     w.write(' ');
-                    ((Namespace) _nsDecls.get(i)).writeAsEncodedUnicode(w);
+                    _nsDecls.get(i).writeAsEncodedUnicode(w);
                 }
             }
 
             // How about attrs?
             if (_attrs != null) {
                 for (int i = 0, len = _attrs.size(); i < len; ++i) {
-                    Attribute attr = (Attribute) _attrs.get(i);
+                    Attribute attr = _attrs.get(i);
                     // No point in adding default attributes?
                     if (attr.isSpecified()) {
                         w.write(' ');
@@ -156,7 +156,7 @@ public void writeUsing(XMLStreamWriter2 sw) throws XMLStreamException
         // Any namespaces?
         if (_nsDecls != null) {
             for (int i = 0, len = _nsDecls.size(); i < len; ++i) {
-                Namespace ns = (Namespace) _nsDecls.get(i);
+                Namespace ns = _nsDecls.get(i);
                 String prefix = ns.getPrefix();
                 String uri = ns.getNamespaceURI();
                 if (prefix == null || prefix.length() == 0) {
@@ -170,7 +170,7 @@ public void writeUsing(XMLStreamWriter2 sw) throws XMLStreamException
         // How about attrs?
         if (_attrs != null) {
             for (int i = 0, len = _attrs.size(); i < len; ++i) {
-                Attribute attr = (Attribute) _attrs.get(i);
+                Attribute attr = _attrs.get(i);
                 // No point in adding default attributes?
                 if (attr.isSpecified()) {
                     QName name = attr.getName();
@@ -221,7 +221,7 @@ public String getNamespaceURI(String prefix)
                 prefix = "";
             }
             for (int i = 0, len = _nsDecls.size(); i < len; ++i) {
-                Namespace ns = (Namespace) _nsDecls.get(i);
+                Namespace ns = _nsDecls.get(i);
                 String thisPrefix = ns.getPrefix();
                 if (thisPrefix == null) {
                     thisPrefix = "";
@@ -248,7 +248,7 @@ public Attribute getAttributeByName(QName nameIn)
 
         boolean notInNs = (uri == null || uri.length() == 0);
         for (int i = 0; i < len; ++i) {
-            Attribute attr = (Attribute) _attrs.get(i);
+            Attribute attr = _attrs.get(i);
             QName name = attr.getName();
             if (name.getLocalPart().equals(ln)) {
                 String thisUri = name.getNamespaceURI();
diff --git a/src/main/java/org/codehaus/stax2/ri/typed/CharArrayBase64Decoder.java b/src/main/java/org/codehaus/stax2/ri/typed/CharArrayBase64Decoder.java
index 68e65b7..6458d77 100644
--- a/src/main/java/org/codehaus/stax2/ri/typed/CharArrayBase64Decoder.java
+++ b/src/main/java/org/codehaus/stax2/ri/typed/CharArrayBase64Decoder.java
@@ -256,7 +256,7 @@ public int decode(byte[] resultBuffer, int resultOffset, int maxLength)
     private boolean nextSegment()
     {
         if (_nextSegmentIndex < _nextSegments.size()) {
-            _currSegment = (char[]) _nextSegments.get(_nextSegmentIndex++);
+            _currSegment = _nextSegments.get(_nextSegmentIndex++);
             // last segment may have non-zero ptr, slack at end
             if (_nextSegmentIndex == _nextSegments.size()) {
                 _currSegmentPtr = _lastSegmentOffset;
diff --git a/src/main/java/org/codehaus/stax2/validation/XMLValidationSchemaFactory.java b/src/main/java/org/codehaus/stax2/validation/XMLValidationSchemaFactory.java
index 6337844..88bece0 100644
--- a/src/main/java/org/codehaus/stax2/validation/XMLValidationSchemaFactory.java
+++ b/src/main/java/org/codehaus/stax2/validation/XMLValidationSchemaFactory.java
@@ -121,7 +121,7 @@ public static XMLValidationSchemaFactory newInstance(String schemaType, ClassLoa
         throws FactoryConfigurationError
     {
         // Let's check and map schema type to the shorter internal id:
-        String internalId = (String) sSchemaIds.get(schemaType);
+        String internalId = sSchemaIds.get(schemaType);
         if (internalId == null) {
             throw new FactoryConfigurationError("Unrecognized schema type (id '"+schemaType+"')");
         }