diff --git a/libs/ardour/rb_effect.cc b/libs/ardour/rb_effect.cc
index 7ff60e6912..f3adaec22c 100644
--- a/libs/ardour/rb_effect.cc
+++ b/libs/ardour/rb_effect.cc
@@ -388,8 +388,6 @@ RBEffect::run (boost::shared_ptr<Region> r, Progress* progress)
 		}
 	}
 
-	tsr.done = true;
-
 	return ret;
 }
 
diff --git a/libs/ardour/st_stretch.cc b/libs/ardour/st_stretch.cc
index d8009c1218..b031ee28f9 100644
--- a/libs/ardour/st_stretch.cc
+++ b/libs/ardour/st_stretch.cc
@@ -203,7 +203,5 @@ STStretch::run (boost::shared_ptr<Region> a_region, Progress* progress)
 		}
 	}
 
-	tsr.done = true;
-
 	return ret;
 }