diff --git a/paperweight-core/src/main/kotlin/taskcontainers/AllTasks.kt b/paperweight-core/src/main/kotlin/taskcontainers/AllTasks.kt
index 0a7415cf..3201c9b8 100644
--- a/paperweight-core/src/main/kotlin/taskcontainers/AllTasks.kt
+++ b/paperweight-core/src/main/kotlin/taskcontainers/AllTasks.kt
@@ -57,7 +57,7 @@ open class AllTasks(
     val copyResources by tasks.registering<CopyResources> {
         inputJar.set(applyMergedAt.flatMap { it.outputJar })
         vanillaJar.set(extractFromBundler.flatMap { it.serverJar })
-        includes.set(listOf("/data/**", "/assets/**", "version.json", "yggdrasil_session_pubkey.der", "pack.mcmeta", "flightrecorder-config.jfc"))
+        excludes.convention(listOf("**/*.class", "/META-INF/**"))
 
         outputJar.set(cache.resolve(FINAL_REMAPPED_JAR))
     }
diff --git a/paperweight-lib/src/main/kotlin/tasks/CopyResources.kt b/paperweight-lib/src/main/kotlin/tasks/CopyResources.kt
index 41a871b9..19b4cae5 100644
--- a/paperweight-lib/src/main/kotlin/tasks/CopyResources.kt
+++ b/paperweight-lib/src/main/kotlin/tasks/CopyResources.kt
@@ -42,7 +42,7 @@ abstract class CopyResources : BaseTask() {
     abstract val vanillaJar: RegularFileProperty
 
     @get:Input
-    abstract val includes: ListProperty<String>
+    abstract val excludes: ListProperty<String>
 
     @get:OutputFile
     abstract val outputJar: RegularFileProperty
@@ -55,8 +55,8 @@ abstract class CopyResources : BaseTask() {
 
         fs.copy {
             from(archives.zipTree(vanillaJar)) {
-                for (inc in this@CopyResources.includes.get()) {
-                    include(inc)
+                for (inc in this@CopyResources.excludes.get()) {
+                    exclude(inc)
                 }
             }
             from(archives.zipTree(inputJar))