diff --git a/src/main/java/net/fabricmc/loom/task/GenerateSourcesTask.java b/src/main/java/net/fabricmc/loom/task/GenerateSourcesTask.java
index f0f087bd..cf12eeea 100644
--- a/src/main/java/net/fabricmc/loom/task/GenerateSourcesTask.java
+++ b/src/main/java/net/fabricmc/loom/task/GenerateSourcesTask.java
@@ -63,11 +63,11 @@ import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.Optional;
 import org.gradle.api.tasks.OutputFile;
 import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.UntrackedTask;
 import org.gradle.api.tasks.options.Option;
 import org.gradle.internal.logging.progress.ProgressLoggerFactory;
 import org.gradle.process.ExecOperations;
 import org.gradle.process.ExecResult;
-import org.gradle.work.DisableCachingByDefault;
 import org.gradle.workers.WorkAction;
 import org.gradle.workers.WorkParameters;
 import org.gradle.workers.WorkQueue;
@@ -104,7 +104,7 @@ import net.fabricmc.loom.util.ipc.IPCServer;
 import net.fabricmc.loom.util.service.ScopedServiceFactory;
 import net.fabricmc.mappingio.tree.MemoryMappingTree;
 
-@DisableCachingByDefault
+@UntrackedTask(because = "Manually invoked, has internal caching")
 public abstract class GenerateSourcesTask extends AbstractLoomTask {
 	private static final String CACHE_VERSION = "v1";
 	private final DecompilerOptions decompilerOptions;
@@ -237,7 +237,6 @@ public abstract class GenerateSourcesTask extends AbstractLoomTask {
 			throw new IllegalStateException("Input minecraft jar not found: " + getInputJarName().get());
 		}));
 
-		getOutputs().upToDateWhen((o) -> false);
 		getClasspath().from(decompilerOptions.getClasspath()).finalizeValueOnRead();
 		dependsOn(decompilerOptions.getClasspath().getBuiltBy());
 
diff --git a/src/main/java/net/fabricmc/loom/task/LoomTasks.java b/src/main/java/net/fabricmc/loom/task/LoomTasks.java
index 27ddf591..97d4df71 100644
--- a/src/main/java/net/fabricmc/loom/task/LoomTasks.java
+++ b/src/main/java/net/fabricmc/loom/task/LoomTasks.java
@@ -54,7 +54,6 @@ public abstract class LoomTasks implements Runnable {
 	public void run() {
 		getTasks().register("migrateMappings", MigrateMappingsTask.class, t -> {
 			t.setDescription("Migrates mappings to a new version.");
-			t.getOutputs().upToDateWhen(o -> false);
 		});
 
 		var generateLog4jConfig = getTasks().register("generateLog4jConfig", GenerateLog4jConfigTask.class, t -> {
diff --git a/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java b/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
index 123a5404..0024570d 100644
--- a/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
+++ b/src/main/java/net/fabricmc/loom/task/MigrateMappingsTask.java
@@ -31,13 +31,13 @@ import org.gradle.api.tasks.InputDirectory;
 import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.OutputDirectory;
 import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.UntrackedTask;
 import org.gradle.api.tasks.options.Option;
-import org.gradle.work.DisableCachingByDefault;
 
 import net.fabricmc.loom.task.service.MigrateMappingsService;
 import net.fabricmc.loom.util.service.ScopedServiceFactory;
 
-@DisableCachingByDefault(because = "Always rerun this task.")
+@UntrackedTask(because = "Always rerun this task.")
 public abstract class MigrateMappingsTask extends AbstractLoomTask {
 	@Input
 	@Option(option = "mappings", description = "Target mappings")
diff --git a/src/main/java/net/fabricmc/loom/task/prod/AbstractProductionRunTask.java b/src/main/java/net/fabricmc/loom/task/prod/AbstractProductionRunTask.java
index 15c45439..0661f969 100644
--- a/src/main/java/net/fabricmc/loom/task/prod/AbstractProductionRunTask.java
+++ b/src/main/java/net/fabricmc/loom/task/prod/AbstractProductionRunTask.java
@@ -46,6 +46,7 @@ import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.Nested;
 import org.gradle.api.tasks.OutputDirectory;
 import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.UntrackedTask;
 import org.gradle.jvm.toolchain.JavaLauncher;
 import org.gradle.jvm.toolchain.JavaToolchainService;
 import org.gradle.jvm.toolchain.JavaToolchainSpec;
@@ -68,6 +69,7 @@ import net.fabricmc.loom.util.gradle.GradleUtils;
  * <p>Do not use this task directly, use {@link ClientProductionRunTask} or {@link ServerProductionRunTask} instead.
  */
 @ApiStatus.Experimental
+@UntrackedTask(because = "Always rerun this task.")
 public abstract sealed class AbstractProductionRunTask extends AbstractLoomTask permits ClientProductionRunTask, ServerProductionRunTask {
 	private static final Logger LOGGER = LoggerFactory.getLogger(AbstractProductionRunTask.class);