diff --git a/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java b/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
index 58ab11227e..bb2905d941 100644
--- a/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
+++ b/modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/ModelResolver.java
@@ -19,7 +19,13 @@
 import com.fasterxml.jackson.databind.PropertyMetadata;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
-import com.fasterxml.jackson.databind.introspect.*;
+import com.fasterxml.jackson.databind.introspect.Annotated;
+import com.fasterxml.jackson.databind.introspect.AnnotatedClass;
+import com.fasterxml.jackson.databind.introspect.AnnotatedField;
+import com.fasterxml.jackson.databind.introspect.AnnotatedMember;
+import com.fasterxml.jackson.databind.introspect.AnnotatedMethod;
+import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition;
+import com.fasterxml.jackson.databind.introspect.POJOPropertyBuilder;
 import com.fasterxml.jackson.databind.jsontype.NamedType;
 import com.fasterxml.jackson.databind.util.Annotations;
 import io.swagger.v3.core.converter.AnnotatedType;
@@ -72,7 +78,11 @@
 import javax.xml.bind.annotation.XmlSchema;
 import java.io.IOException;
 import java.lang.annotation.Annotation;
-import java.lang.reflect.*;
+import java.lang.reflect.AnnotatedParameterizedType;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
 import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.Arrays;