diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java
index d25d985f4..b4ca09b95 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/FunctionTypeUtils.java
@@ -24,7 +24,6 @@
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.BiConsumer;
 import java.util.function.BiFunction;
 import java.util.function.Consumer;
@@ -195,7 +194,7 @@ public static Type discoverFunctionTypeFromClass(Class<?> functionalClass) {
 			if (Function1.class.isAssignableFrom(functionalClass)) {
 				try {
 					return TypeResolver.reify(Function1.class, (Class<Function1<?, ?>>) functionalClass);
-				} 
+				}
 				catch (Exception e) {
 					return discoverFunctionTypeFromFunctionMethod(discoverFunctionalMethod(functionalClass));
 				}