diff --git a/.ci/scripts/remove_simulator.sh b/.ci/scripts/remove_simulator.sh
index a129e52fd81..09203011706 100755
--- a/.ci/scripts/remove_simulator.sh
+++ b/.ci/scripts/remove_simulator.sh
@@ -7,6 +7,7 @@ set -e
 # The name here must match create_simulator.sh
 readonly DEVICE_NAME=Flutter-iPhone
 
-xcrun simctl shutdown "$DEVICE_NAME"
+# Allow shutdown to fail; cases like "already shut down" exit with failure.
+xcrun simctl shutdown "$DEVICE_NAME" || :
 xcrun simctl delete "$DEVICE_NAME"
 xcrun simctl list