diff --git a/ci/environments/multinode-containers.yaml b/ci/environments/multinode-containers.yaml
index f050d9a21d..781527f4a1 100644
--- a/ci/environments/multinode-containers.yaml
+++ b/ci/environments/multinode-containers.yaml
@@ -7,12 +7,6 @@ resource_registry:
   OS::TripleO::Controller::Net::SoftwareConfig: ../common/net-config-multinode-os-net-config.yaml
   OS::TripleO::Compute::Net::SoftwareConfig: ../common/net-config-multinode-os-net-config.yaml
 
-  # NOTE: This is needed because of upgrades from Ocata to Pike. We
-  # deploy the initial environment with Ocata templates, and
-  # overcloud-resource-registry.yaml there doesn't have this Docker
-  # mapping at all. After we stop CI'ing Ocata->Pike upgrade, we can
-  # remove this.
-  OS::TripleO::Services::Docker: OS::Heat::None
   # Some infra instances don't pass the ping test but are otherwise working.
   # Since the OVB jobs also test this functionality we can shut it off here.
   OS::TripleO::AllNodes::Validation: ../common/all-nodes-validation-disabled.yaml
diff --git a/ci/environments/scenario001-multinode-containers.yaml b/ci/environments/scenario001-multinode-containers.yaml
index 272fd5667b..44f5579e20 100644
--- a/ci/environments/scenario001-multinode-containers.yaml
+++ b/ci/environments/scenario001-multinode-containers.yaml
@@ -15,12 +15,6 @@ resource_registry:
   OS::TripleO::Services::Congress: ../../docker/services/congress.yaml
   OS::TripleO::Services::FluentdClient: ../../docker/services/fluentd-client.yaml
   OS::TripleO::Services::SensuClient: ../../docker/services/sensu-client.yaml
-  # NOTE: This is needed because of upgrades from Ocata to Pike. We
-  # deploy the initial environment with Ocata templates, and
-  # overcloud-resource-registry.yaml there doesn't have this Docker
-  # mapping at all. After we stop CI'ing Ocata->Pike upgrade, we can
-  # remove this.
-  OS::TripleO::Services::Docker: OS::Heat::None
   # Some infra instances don't pass the ping test but are otherwise working.
   # Since the OVB jobs also test this functionality we can shut it off here.
   OS::TripleO::AllNodes::Validation: ../common/all-nodes-validation-disabled.yaml
diff --git a/ci/environments/scenario002-multinode-containers.yaml b/ci/environments/scenario002-multinode-containers.yaml
index 0ca67d00f9..bec5f48e40 100644
--- a/ci/environments/scenario002-multinode-containers.yaml
+++ b/ci/environments/scenario002-multinode-containers.yaml
@@ -10,12 +10,6 @@ resource_registry:
   OS::TripleO::Services::Zaqar: ../../docker/services/zaqar.yaml
   OS::TripleO::Services::Ec2Api: ../../docker/services/ec2-api.yaml
   OS::TripleO::Services::MongoDb: ../../docker/services/database/mongodb.yaml
-  # NOTE: This is needed because of upgrades from Ocata to Pike. We
-  # deploy the initial environment with Ocata templates, and
-  # overcloud-resource-registry.yaml there doesn't have this Docker
-  # mapping at all. After we stop CI'ing Ocata->Pike upgrade, we can
-  # remove this.
-  OS::TripleO::Services::Docker: OS::Heat::None
   # Some infra instances don't pass the ping test but are otherwise working.
   # Since the OVB jobs also test this functionality we can shut it off here.
   OS::TripleO::AllNodes::Validation: ../common/all-nodes-validation-disabled.yaml
diff --git a/ci/environments/scenario003-multinode-containers.yaml b/ci/environments/scenario003-multinode-containers.yaml
index 107b66b2d4..65fa6a654b 100644
--- a/ci/environments/scenario003-multinode-containers.yaml
+++ b/ci/environments/scenario003-multinode-containers.yaml
@@ -11,12 +11,6 @@ resource_registry:
   OS::TripleO::Services::MistralApi: ../../docker/services/mistral-api.yaml
   OS::TripleO::Services::MistralEngine: ../../docker/services/mistral-engine.yaml
   OS::TripleO::Services::MistralExecutor: ../../docker/services/mistral-executor.yaml
-  # NOTE: This is needed because of upgrades from Ocata to Pike. We
-  # deploy the initial environment with Ocata templates, and
-  # overcloud-resource-registry.yaml there doesn't have this Docker
-  # mapping at all. After we stop CI'ing Ocata->Pike upgrade, we can
-  # remove this.
-  OS::TripleO::Services::Docker: OS::Heat::None
   # Some infra instances don't pass the ping test but are otherwise working.
   # Since the OVB jobs also test this functionality we can shut it off here.
   OS::TripleO::AllNodes::Validation: ../common/all-nodes-validation-disabled.yaml
diff --git a/ci/environments/scenario006-multinode-containers.yaml b/ci/environments/scenario006-multinode-containers.yaml
index d0a952d5ba..025fd81e28 100644
--- a/ci/environments/scenario006-multinode-containers.yaml
+++ b/ci/environments/scenario006-multinode-containers.yaml
@@ -5,7 +5,6 @@ resource_registry:
   OS::TripleO::Services::IronicApi: ../docker/services/ironic-api.yaml
   OS::TripleO::Services::IronicConductor: ../docker/services/ironic-conductor.yaml
   OS::TripleO::Services::IronicPxe: ../docker/services/ironic-pxe.yaml
-  OS::TripleO::Services::Docker: OS::Heat::None
 
 parameter_defaults:
   ControllerServices:
diff --git a/ci/environments/scenario007-multinode-containers.yaml b/ci/environments/scenario007-multinode-containers.yaml
index faf56ba475..bad3e4a50f 100644
--- a/ci/environments/scenario007-multinode-containers.yaml
+++ b/ci/environments/scenario007-multinode-containers.yaml
@@ -1,12 +1,6 @@
 resource_registry:
   OS::TripleO::Controller::Net::SoftwareConfig: ../common/net-config-multinode-os-net-config.yaml
   OS::TripleO::Compute::Net::SoftwareConfig: ../common/net-config-multinode-os-net-config.yaml
-  # NOTE: This is needed because of upgrades from Ocata to Pike. We
-  # deploy the initial environment with Ocata templates, and
-  # overcloud-resource-registry.yaml there doesn't have this Docker
-  # mapping at all. After we stop CI'ing Ocata->Pike upgrade, we can
-  # remove this.
-  OS::TripleO::Services::Docker: OS::Heat::None
   OS::TripleO::Services::OVNController: ../../docker/services/ovn-controller.yaml
   OS::TripleO::Services::OVNDBs: ../../docker/services/ovn-dbs.yaml
   # Some infra instances don't pass the ping test but are otherwise working.