diff --git a/examples/ecs/bluegreen/servicedef.yaml b/examples/ecs/bluegreen/servicedef.yaml
index 24f55db77c..a160dec759 100644
--- a/examples/ecs/bluegreen/servicedef.yaml
+++ b/examples/ecs/bluegreen/servicedef.yaml
@@ -1,7 +1,6 @@
 cluster: arn:aws:ecs:ap-northeast-1:XXXX:cluster/test-cluster
 serviceName: nginx-bluegreen-service
 desiredCount: 2
-role: arn:aws:iam::XXXX:role/ecsTaskExecutionRole
 deploymentConfiguration:
   maximumPercent: 200
   minimumHealthyPercent: 0
diff --git a/examples/ecs/canary/servicedef.yaml b/examples/ecs/canary/servicedef.yaml
index 747bce4829..8e6e660a5c 100644
--- a/examples/ecs/canary/servicedef.yaml
+++ b/examples/ecs/canary/servicedef.yaml
@@ -1,7 +1,6 @@
 cluster: arn:aws:ecs:ap-northeast-1:XXXX:cluster/test-cluster
 serviceName: nginx-canary-service
 desiredCount: 2
-role: arn:aws:iam::XXXX:role/ecsTaskExecutionRole
 deploymentConfiguration:
   maximumPercent: 200
   minimumHealthyPercent: 0
diff --git a/examples/ecs/simple/servicedef.yaml b/examples/ecs/simple/servicedef.yaml
index 5576c4e2ff..c8ebd6d321 100644
--- a/examples/ecs/simple/servicedef.yaml
+++ b/examples/ecs/simple/servicedef.yaml
@@ -1,7 +1,6 @@
 cluster: arn:aws:ecs:ap-northeast-1:XXXX:cluster/test-cluster
 serviceName: nginx-service
 desiredCount: 2
-role: arn:aws:iam::XXXX:role/ecsTaskExecutionRole
 deploymentConfiguration:
   maximumPercent: 200
   minimumHealthyPercent: 0