diff --git a/pom.xml b/pom.xml
index 59fdd7629..39d9096a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,6 @@
 		<jodatime.version>2.7</jodatime.version>
 		<jadira-usertype-core.version>3.2.0.GA</jadira-usertype-core.version>
 
-
 		<!-- Web dependencies -->
 		<webjars-bootstrap.version>2.3.0</webjars-bootstrap.version>
 		<webjars-jquery-ui.version>1.10.3</webjars-jquery-ui.version>
@@ -119,7 +118,6 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-aop</artifactId>
-			<version>${spring-framework.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
@@ -129,7 +127,6 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-tx</artifactId>
-			<version>${spring-framework.version}</version>
 		</dependency>
 		<!-- used for EhCacheCacheManager -->
 		<dependency>
@@ -140,7 +137,6 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-orm</artifactId>
-			<version>${spring-framework.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
index 751726a14..ea69af367 100644
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE xml>
 <configuration scan="true" scanPeriod="30 seconds">
 
     <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
diff --git a/src/main/webapp/resources/css/petclinic.css b/src/main/webapp/resources/css/petclinic.css
index 36ad67082..76a8ef83d 100644
--- a/src/main/webapp/resources/css/petclinic.css
+++ b/src/main/webapp/resources/css/petclinic.css
@@ -1,6 +1,5 @@
 .container {
     padding-top: 10px;
-    margin-left: 50px;
     width: 700px;
 }
 
diff --git a/src/test/java/org/springframework/samples/petclinic/model/ValidatorTests.java b/src/test/java/org/springframework/samples/petclinic/model/ValidatorTests.java
index 0c80d06fb..f915d3ec7 100644
--- a/src/test/java/org/springframework/samples/petclinic/model/ValidatorTests.java
+++ b/src/test/java/org/springframework/samples/petclinic/model/ValidatorTests.java
@@ -8,7 +8,6 @@ import java.util.Set;
 import javax.validation.ConstraintViolation;
 import javax.validation.Validator;
 
-import org.assertj.core.api.Assertions;
 import org.junit.Assert;
 import org.junit.Test;
 import org.springframework.context.i18n.LocaleContextHolder;
diff --git a/src/test/java/org/springframework/samples/petclinic/web/VisitsViewTests.java b/src/test/java/org/springframework/samples/petclinic/web/VisitsViewTests.java
index b2e953c25..eba60d389 100644
--- a/src/test/java/org/springframework/samples/petclinic/web/VisitsViewTests.java
+++ b/src/test/java/org/springframework/samples/petclinic/web/VisitsViewTests.java
@@ -18,9 +18,6 @@ package org.springframework.samples.petclinic.web;
 
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.xpath;
 
 import org.junit.Before;
 import org.junit.Test;