diff --git a/bukkit/src/main/java/me/caseload/knockbacksync/BukkitBase.java b/bukkit/src/main/java/me/caseload/knockbacksync/BukkitBase.java
index f97dd22..331816f 100644
--- a/bukkit/src/main/java/me/caseload/knockbacksync/BukkitBase.java
+++ b/bukkit/src/main/java/me/caseload/knockbacksync/BukkitBase.java
@@ -20,7 +20,6 @@
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
diff --git a/common/src/main/java/me/caseload/knockbacksync/Base.java b/common/src/main/java/me/caseload/knockbacksync/Base.java
index 2fd1a9e..155d5c6 100644
--- a/common/src/main/java/me/caseload/knockbacksync/Base.java
+++ b/common/src/main/java/me/caseload/knockbacksync/Base.java
@@ -26,9 +26,7 @@
 
 import java.io.File;
 import java.io.InputStream;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.logging.Logger;
 
 // Base class
@@ -54,11 +52,11 @@ protected Base() {
     }
 
     private Platform getPlatform() {
-        final Map<String, Platform> platforms = Map.of(
-                "io.papermc.paper.threadedregions.RegionizedServer", Platform.FOLIA,
-                "org.bukkit.Bukkit", Platform.BUKKIT,
-                "net.fabricmc.loader.api.FabricLoader", Platform.FABRIC
-        );
+        final Map<String, Platform> platforms = Collections.unmodifiableMap(new HashMap<String, Platform>() {{
+            put("io.papermc.paper.threadedregions.RegionizedServer", Platform.FOLIA);
+            put("org.bukkit.Bukkit", Platform.BUKKIT);
+            put("net.fabricmc.loader.api.FabricLoader", Platform.FABRIC);
+        }});
 
         return platforms.entrySet().stream()
                 .filter(entry -> isClassPresent(entry.getKey()))
diff --git a/common/src/main/java/me/caseload/knockbacksync/stats/custom/BuildTypePie.java b/common/src/main/java/me/caseload/knockbacksync/stats/custom/BuildTypePie.java
index 582565c..ed0e0d7 100644
--- a/common/src/main/java/me/caseload/knockbacksync/stats/custom/BuildTypePie.java
+++ b/common/src/main/java/me/caseload/knockbacksync/stats/custom/BuildTypePie.java
@@ -20,7 +20,6 @@ public class BuildTypePie extends SimplePie {
     private static final String RELEASES_FILE = "releases.txt";
     private static final String DEV_BUILDS_FILE = "dev-builds.txt";
     private static final File dataFolder = Base.INSTANCE.getDataFolder();
-    public static URL jarUrl;
     private static String cachedBuildType = null;
 
     public BuildTypePie() {