diff --git a/patch.txt b/patch.txt
deleted file mode 100644
index 2f84cf38..00000000
--- a/patch.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-diff --git a/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpression.java b/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpression.java
-index 8b2a0ab..4db662e 100644
---- a/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpression.java
-+++ b/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpression.java
-@@ -41,15 +41,15 @@ import org.springframework.util.Assert;
-  */
- public class SpringELExpression implements Expression {
- 
--	private org.springframework.expression.Expression expression;
-+	private final org.springframework.expression.Expression expression;
- 
--	private Class<?> expectedType;
-+	private final Class<?> expectedType;
- 
--	private Map<String, Expression> expressionVariables;
-+	private final Map<String, Expression> expressionVariables;
- 
--	private ConversionService conversionService;
-+	private final ConversionService conversionService;
- 
--	private List<PropertyAccessor> propertyAccessors;
-+	private final List<PropertyAccessor> propertyAccessors;
- 
- 	/**
- 	 * Constructor for SpringELExpression.
-diff --git a/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpressionParser.java b/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpressionParser.java
-index cdfa47c..40c6d23 100644
---- a/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpressionParser.java
-+++ b/spring-binding/src/main/java/org/springframework/binding/expression/spel/SpringELExpressionParser.java
-@@ -43,11 +43,11 @@ import org.springframework.util.Assert;
-  */
- public class SpringELExpressionParser implements ExpressionParser {
- 
--	private SpelExpressionParser expressionParser;
-+	private final SpelExpressionParser expressionParser;
- 
--	private ConversionService conversionService;
-+	private final ConversionService conversionService;
- 
--	private List<PropertyAccessor> propertyAccessors = new ArrayList<PropertyAccessor>();
-+	private final List<PropertyAccessor> propertyAccessors = new ArrayList<PropertyAccessor>();
- 
- 	public SpringELExpressionParser(SpelExpressionParser expressionParser) {
- 		this(expressionParser, new DefaultConversionService());