diff --git a/rlkit/samplers/rollout_functions.py b/rlkit/samplers/rollout_functions.py
index 2701efcef..217fe443b 100644
--- a/rlkit/samplers/rollout_functions.py
+++ b/rlkit/samplers/rollout_functions.py
@@ -68,7 +68,6 @@ def multitask_rollout(
         if d:
             break
         o = next_o
-    full_observations.append(o)
     actions = np.array(actions)
     if len(actions.shape) == 1:
         actions = np.expand_dims(actions, 1)