diff --git a/pom.xml b/pom.xml
index 26f4c38a..c9f93f1e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.7</version>
+            <version>1.9</version>
             <type>jar</type>
             <scope>compile</scope>
         </dependency>
diff --git a/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java b/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
index 1e2e60c1..f3f864d8 100644
--- a/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
+++ b/src/main/java/org/bukkit/plugin/PluginDescriptionFile.java
@@ -7,9 +7,6 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
-import java.util.logging.Level;
-import org.bukkit.Bukkit;
 import org.bukkit.permissions.Permission;
 import org.bukkit.permissions.PermissionDefault;
 import org.yaml.snakeyaml.Yaml;
diff --git a/src/main/java/org/bukkit/plugin/java/JavaPlugin.java b/src/main/java/org/bukkit/plugin/java/JavaPlugin.java
index 2645b83b..6eee36eb 100644
--- a/src/main/java/org/bukkit/plugin/java/JavaPlugin.java
+++ b/src/main/java/org/bukkit/plugin/java/JavaPlugin.java
@@ -7,19 +7,16 @@ import com.avaje.ebean.config.ServerConfig;
 import com.avaje.ebeaninternal.api.SpiEbeanServer;
 import com.avaje.ebeaninternal.server.ddl.DdlGenerator;
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
-import org.bukkit.Bukkit;
 import org.bukkit.Server;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.PluginCommand;
-import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.generator.ChunkGenerator;
@@ -27,7 +24,6 @@ import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.PluginLoader;
 import org.bukkit.util.config.Configuration;
-import org.yaml.snakeyaml.error.YAMLException;
 
 /**
  * Represents a Java plugin
diff --git a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
index bf9379bd..6ab27ecd 100644
--- a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
+++ b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
@@ -17,7 +17,6 @@ import java.util.regex.Pattern;
 import org.bukkit.Server;
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 import org.bukkit.configuration.serialization.ConfigurationSerialization;
-import org.bukkit.configuration.serialization.SerializableAs;
 import org.bukkit.event.CustomEventListener;
 import org.bukkit.event.Event;
 import org.bukkit.event.Listener;