1 files changed, 7 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/actions/MiddlemanAction.java b/src/main/java/com/google/devtools/build/lib/actions/MiddlemanAction.java
index a42d5b958d..7474c7c13d 100644
--- a/src/main/java/com/google/devtools/build/lib/actions/MiddlemanAction.java
+++ b/src/main/java/com/google/devtools/build/lib/actions/MiddlemanAction.java
@@ -73,6 +73,13 @@ public final class MiddlemanAction extends AbstractAction {
   }
 
   @Override
+  public boolean canRemoveAfterExecution() {
+    // Aggregating middleman actions' inputs are needed by their output artifacts, and the type of
+    // the middleman isn't known without having the action, so we just make sure it stays.
+    return false;
+  }
+
+  @Override
   protected String getRawProgressMessage() {
     return null; // users don't really want to know about Middlemen.
   }