diff --git a/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java b/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
index cbda3550b..53a8f5d11 100644
--- a/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
+++ b/processor/src/main/java/org/mapstruct/ap/model/PropertyMapping.java
@@ -253,7 +253,7 @@ public class PropertyMapping extends ModelElement {
                     }
                     Assignment factoryMethod =
                         ctx.getMappingResolver().getFactoryMethod( method, targetType, null, null );
-                    result = new UpdateWrapper( result, method.getThrownTypes(), targetType, factoryMethod );
+                    result = new UpdateWrapper( result, method.getThrownTypes(), factoryMethod );
                 }
                 else {
                     result = new SetterWrapper( result, method.getThrownTypes() );
@@ -579,8 +579,7 @@ public class PropertyMapping extends ModelElement {
                         }
                         Assignment factoryMethod =
                             ctx.getMappingResolver().getFactoryMethod( method, targetType, null, null );
-                        assignment =
-                            new UpdateWrapper( assignment, method.getThrownTypes(), targetType, factoryMethod );
+                        assignment = new UpdateWrapper( assignment, method.getThrownTypes(), factoryMethod );
                     }
                     else {
                         assignment = new SetterWrapper( assignment, method.getThrownTypes() );
diff --git a/processor/src/main/java/org/mapstruct/ap/model/assignment/UpdateWrapper.java b/processor/src/main/java/org/mapstruct/ap/model/assignment/UpdateWrapper.java
index a31e78a60..b4ab7b6c5 100644
--- a/processor/src/main/java/org/mapstruct/ap/model/assignment/UpdateWrapper.java
+++ b/processor/src/main/java/org/mapstruct/ap/model/assignment/UpdateWrapper.java
@@ -19,9 +19,7 @@
 package org.mapstruct.ap.model.assignment;
 
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 import org.mapstruct.ap.model.common.Type;
 
 /**
@@ -32,14 +30,12 @@ import org.mapstruct.ap.model.common.Type;
 public class UpdateWrapper extends AssignmentWrapper {
 
     private final List<Type> exceptionTypesToExclude;
-    private final Type targetType;
     private final Assignment factoryMethod;
 
-    public UpdateWrapper(Assignment decoratedAssignment, List<Type> exceptionTypesToExclude, Type targetType,
-                         Assignment factoryMethod ) {
+    public UpdateWrapper(Assignment decoratedAssignment, List<Type> exceptionTypesToExclude,
+        Assignment factoryMethod ) {
         super( decoratedAssignment );
         this.exceptionTypesToExclude = exceptionTypesToExclude;
-        this.targetType = targetType;
         this.factoryMethod = factoryMethod;
     }
 
@@ -57,14 +53,6 @@ public class UpdateWrapper extends AssignmentWrapper {
         return result;
     }
 
-    @Override
-    public Set<Type> getImportTypes() {
-        Set<Type> imported = new HashSet<Type>();
-        imported.addAll( super.getImportTypes() );
-        imported.add( targetType ); /* is a new target type */
-        return imported;
-    }
-
     public Assignment getFactoryMethod() {
         return factoryMethod;
     }