diff --git a/build.gradle b/build.gradle
index 5d9c595c..4f2f21bc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -198,7 +198,7 @@ subprojects { subproject ->
 	}
 
 	// enable all compiler warnings; individual projects may customize further
-	ext.xLintArg = '-Xlint:all,-options,-processing'
+	ext.xLintArg = '-Xlint:all,-options,-processing,-deprecation'
 	[compileJava, compileTestJava]*.options*.compilerArgs = [xLintArg]
 
 	publishing {
diff --git a/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/config/CompositeContainerCustomizer.java b/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/config/CompositeContainerCustomizer.java
index d16b5489..1ec652c8 100644
--- a/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/config/CompositeContainerCustomizer.java
+++ b/spring-rabbit/src/main/java/org/springframework/amqp/rabbit/config/CompositeContainerCustomizer.java
@@ -23,7 +23,7 @@ import org.springframework.amqp.rabbit.listener.MessageListenerContainer;
 import org.springframework.util.Assert;
 
 /**
- * Implementation of {@link ContainerCustomizer<C>} providing the configuration of
+ * Implementation of {@link ContainerCustomizer} providing the configuration of
  * multiple customizers at the same time.
  *
  * @param <C> the container type.
@@ -48,7 +48,7 @@ public class CompositeContainerCustomizer<C extends MessageListenerContainer> im
 
 	@Override
 	public void configure(C container) {
-		customizers.forEach(c -> c.configure(container));
+		this.customizers.forEach(c -> c.configure(container));
 	}
 
 }