diff --git a/commafeed-server/pom.xml b/commafeed-server/pom.xml
index 778c434a..52e07653 100644
--- a/commafeed-server/pom.xml
+++ b/commafeed-server/pom.xml
@@ -12,9 +12,6 @@
 	<name>CommaFeed Server</name>
 
 	<properties>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
-
 		<guice.version>5.1.0</guice.version>
 		<querydsl.version>4.4.0</querydsl.version>
 		<rome.version>2.1.0</rome.version>
@@ -42,14 +39,6 @@
 		</resources>
 
 		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.10.1</version>
-				<configuration>
-					<parameters>true</parameters>
-				</configuration>
-			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
diff --git a/commafeed-server/src/main/java/com/commafeed/backend/cache/RedisPoolFactory.java b/commafeed-server/src/main/java/com/commafeed/backend/cache/RedisPoolFactory.java
index d2d2d1f1..b74fbf19 100644
--- a/commafeed-server/src/main/java/com/commafeed/backend/cache/RedisPoolFactory.java
+++ b/commafeed-server/src/main/java/com/commafeed/backend/cache/RedisPoolFactory.java
@@ -3,7 +3,6 @@ package com.commafeed.backend.cache;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Getter;
-import lombok.extern.slf4j.Slf4j;
 import redis.clients.jedis.DefaultJedisClientConfig;
 import redis.clients.jedis.HostAndPort;
 import redis.clients.jedis.JedisClientConfig;
@@ -11,7 +10,6 @@ import redis.clients.jedis.JedisPool;
 import redis.clients.jedis.JedisPoolConfig;
 import redis.clients.jedis.Protocol;
 
-@Slf4j
 @Getter
 public class RedisPoolFactory {
 
diff --git a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/AbstractCustomCodeServlet.java b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/AbstractCustomCodeServlet.java
index 743958b7..07b56319 100644
--- a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/AbstractCustomCodeServlet.java
+++ b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/AbstractCustomCodeServlet.java
@@ -20,6 +20,8 @@ import lombok.RequiredArgsConstructor;
 @RequiredArgsConstructor
 abstract class AbstractCustomCodeServlet extends HttpServlet {
 
+	private static final long serialVersionUID = 1L;
+
 	private final SessionFactory sessionFactory;
 	private final UserSettingsDAO userSettingsDAO;
 
diff --git a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomCssServlet.java b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomCssServlet.java
index 8849f253..025fc203 100644
--- a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomCssServlet.java
+++ b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomCssServlet.java
@@ -9,6 +9,8 @@ import com.commafeed.backend.model.UserSettings;
 
 public class CustomCssServlet extends AbstractCustomCodeServlet {
 
+	private static final long serialVersionUID = 1L;
+
 	@Inject
 	public CustomCssServlet(SessionFactory sessionFactory, UserSettingsDAO userSettingsDAO) {
 		super(sessionFactory, userSettingsDAO);
diff --git a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomJsServlet.java b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomJsServlet.java
index 62f902df..92521d6f 100644
--- a/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomJsServlet.java
+++ b/commafeed-server/src/main/java/com/commafeed/frontend/servlet/CustomJsServlet.java
@@ -11,6 +11,8 @@ import com.commafeed.backend.model.UserSettings;
 @Singleton
 public class CustomJsServlet extends AbstractCustomCodeServlet {
 
+	private static final long serialVersionUID = 1L;
+
 	@Inject
 	public CustomJsServlet(SessionFactory sessionFactory, UserSettingsDAO userSettingsDAO) {
 		super(sessionFactory, userSettingsDAO);
diff --git a/pom.xml b/pom.xml
index e4cc9d0c..3b64500c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,5 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
@@ -11,8 +11,23 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>1.8</maven.compiler.source>
+		<maven.compiler.target>1.8</maven.compiler.target>
 	</properties>
 
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.10.1</version>
+				<configuration>
+					<parameters>true</parameters>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
 	<modules>
 		<module>commafeed-client</module>
 		<module>commafeed-server</module>