diff --git a/common/api/src/main/java/com/dfsek/terra/api/TerraPlugin.java b/common/api/src/main/java/com/dfsek/terra/api/TerraPlugin.java
index ccaa0aa99..3af2b603e 100644
--- a/common/api/src/main/java/com/dfsek/terra/api/TerraPlugin.java
+++ b/common/api/src/main/java/com/dfsek/terra/api/TerraPlugin.java
@@ -10,16 +10,11 @@ import com.dfsek.terra.api.lang.Language;
 import com.dfsek.terra.api.profiler.Profiler;
 import com.dfsek.terra.api.registry.CheckedRegistry;
 import com.dfsek.terra.api.registry.Registry;
-import com.dfsek.terra.api.tectonic.LoaderHolder;
 import com.dfsek.terra.api.tectonic.LoaderRegistrar;
-import com.dfsek.terra.api.util.JarUtil;
 import com.dfsek.terra.api.world.TerraWorld;
 import com.dfsek.terra.api.world.World;
 
 import java.io.File;
-import java.io.IOException;
-import java.net.URISyntaxException;
-import java.util.jar.JarFile;
 
 /**
  * Represents a Terra mod/plugin instance.
@@ -69,8 +64,4 @@ public interface TerraPlugin extends LoaderRegistrar {
     }
 
     Profiler getProfiler();
-
-    default JarFile getModJar() throws URISyntaxException, IOException {
-        return JarUtil.getJarFile();
-    }
 }
diff --git a/common/api/src/main/java/com/dfsek/terra/api/util/JarUtil.java b/common/api/src/main/java/com/dfsek/terra/api/util/JarUtil.java
deleted file mode 100644
index 051f1aa75..000000000
--- a/common/api/src/main/java/com/dfsek/terra/api/util/JarUtil.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.dfsek.terra.api.util;
-
-import com.dfsek.terra.api.TerraPlugin;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URISyntaxException;
-import java.net.URL;
-import java.util.Enumeration;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
-
-public final class JarUtil {
-    public static void copyResourcesToDirectory(JarFile fromJar, String sourceDir, String destDir) throws IOException {
-        for(Enumeration<JarEntry> entries = fromJar.entries(); entries.hasMoreElements(); ) {
-            JarEntry entry = entries.nextElement();
-            if(entry.getName().startsWith(sourceDir + "/") && !entry.isDirectory()) {
-                File dest = new File(destDir + File.separator + entry.getName().substring(sourceDir.length() + 1));
-                if(dest.exists()) continue;
-                File parent = dest.getParentFile();
-                if(parent != null) {
-                    parent.mkdirs();
-                }
-                try(FileOutputStream out = new FileOutputStream(dest); InputStream in = fromJar.getInputStream(entry)) {
-                    byte[] buffer = new byte[(8192)];
-
-                    int s;
-                    while((s = in.read(buffer)) > 0) {
-                        out.write(buffer, 0, s);
-                    }
-                } catch(IOException e) {
-                    throw new IOException("Could not copy asset from jar file", e);
-                }
-            }
-        }
-    }
-
-    public static JarFile getJarFile() throws URISyntaxException, IOException {
-        return new JarFile(new File(getJarURL().toURI()));
-    }
-
-    public static URL getJarURL() {
-        return TerraPlugin.class.getProtectionDomain().getCodeSource().getLocation();
-    }
-}
diff --git a/common/implementation/src/main/java/com/dfsek/terra/config/PluginConfigImpl.java b/common/implementation/src/main/java/com/dfsek/terra/config/PluginConfigImpl.java
index cb45d4a7e..75206e894 100644
--- a/common/implementation/src/main/java/com/dfsek/terra/config/PluginConfigImpl.java
+++ b/common/implementation/src/main/java/com/dfsek/terra/config/PluginConfigImpl.java
@@ -8,8 +8,6 @@ import com.dfsek.tectonic.loading.ConfigLoader;
 import com.dfsek.tectonic.yaml.YamlConfiguration;
 import com.dfsek.terra.api.Logger;
 import com.dfsek.terra.api.TerraPlugin;
-import com.dfsek.terra.api.util.JarUtil;
-import com.google.common.base.Charsets;
 import org.apache.commons.io.IOUtils;
 import org.yaml.snakeyaml.Yaml;
 
@@ -20,13 +18,10 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.UncheckedIOException;
-import java.net.URISyntaxException;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 import java.util.List;
 import java.util.Map;
-import java.util.jar.JarFile;
 
 @SuppressWarnings("FieldMayBeFinal")
 public class PluginConfigImpl implements ConfigTemplate, com.dfsek.terra.api.config.PluginConfig {
diff --git a/common/implementation/src/main/java/com/dfsek/terra/config/lang/LangUtil.java b/common/implementation/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
index 53235896a..dd036f014 100644
--- a/common/implementation/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
+++ b/common/implementation/src/main/java/com/dfsek/terra/config/lang/LangUtil.java
@@ -7,10 +7,6 @@ import com.dfsek.terra.api.lang.Language;
 
 import java.io.File;
 import java.io.IOException;
-import java.net.URISyntaxException;
-import java.util.jar.JarFile;
-
-import static com.dfsek.terra.api.util.JarUtil.copyResourcesToDirectory;
 
 public final class LangUtil {
     private static Language language;