diff --git a/metropolis/node/core/curator/state_node.go b/metropolis/node/core/curator/state_node.go
index 93d2a8d..5138134 100644
--- a/metropolis/node/core/curator/state_node.go
+++ b/metropolis/node/core/curator/state_node.go
@@ -281,7 +281,7 @@
 		for i, p := range n.consensusMember.Peers {
 			peers[i] = &cpb.NodeRoles_ConsensusMember_Peer{
 				Name: p.Name,
-				URL:  p.URL,
+				Url:  p.URL,
 			}
 		}
 		msg.Roles.ConsensusMember = &cpb.NodeRoles_ConsensusMember{
@@ -365,7 +365,7 @@
 		for _, p := range cm.Peers {
 			peers = append(peers, NodeRoleConsensusMemberPeer{
 				Name: p.Name,
-				URL:  p.URL,
+				URL:  p.Url,
 			})
 		}
 		n.consensusMember = &NodeRoleConsensusMember{
diff --git a/metropolis/node/core/roleserve/worker_controlplane.go b/metropolis/node/core/roleserve/worker_controlplane.go
index 8b4657a..9a2af52 100644
--- a/metropolis/node/core/roleserve/worker_controlplane.go
+++ b/metropolis/node/core/roleserve/worker_controlplane.go
@@ -185,12 +185,12 @@
 					// we're starting with.
 					supervisor.Logger(ctx).Infof("Node role mandates cluster membership with initial peers:")
 					for _, p := range role.Peers {
-						supervisor.Logger(ctx).Infof("  - %s (%s)", p.Name, p.URL)
+						supervisor.Logger(ctx).Infof("  - %s (%s)", p.Name, p.Url)
 					}
 					nodes := make([]consensus.ExistingNode, len(role.Peers))
 					for i, p := range role.Peers {
 						nodes[i].Name = p.Name
-						nodes[i].URL = p.URL
+						nodes[i].URL = p.Url
 					}
 
 					// Build and submit config to startup V.
diff --git a/metropolis/proto/api/BUILD.bazel b/metropolis/proto/api/BUILD.bazel
index 6438ef7..8665c6d 100644
--- a/metropolis/proto/api/BUILD.bazel
+++ b/metropolis/proto/api/BUILD.bazel
@@ -13,7 +13,6 @@
         "RPC_REQUEST_STANDARD_NAME",  # TODO: evaluate correctness
         "RPC_RESPONSE_STANDARD_NAME",  # TODO: evaluate correctness
         "SERVICE_SUFFIX",  # TODO: evaluate correctness
-        "FIELD_LOWER_SNAKE_CASE",  # TODO: evaluate correctness
     ],
     protos = [":api_proto"],
     use_rules = [
diff --git a/metropolis/proto/api/management.proto b/metropolis/proto/api/management.proto
index 8275f43..8653c29 100644
--- a/metropolis/proto/api/management.proto
+++ b/metropolis/proto/api/management.proto
@@ -240,12 +240,12 @@
     string id = 4;
   }
 
-  // kubernetesController adjusts the appropriate role when set.
-  optional bool kubernetesWorker = 2;
-  // kubernetesController adjusts the appropriate role when set. Nodes performing
+  // kubernetes_worker adjusts the appropriate role when set.
+  optional bool kubernetes_worker = 2;
+  // kubernetes_controller adjusts the appropriate role when set. Nodes performing
   // this role must also be consensus members.
-  optional bool kubernetesController = 5;
-  optional bool consensusMember = 3;
+  optional bool kubernetes_controller = 5;
+  optional bool consensus_member = 3;
 }
 
 message UpdateNodeRolesResponse {
diff --git a/metropolis/proto/common/BUILD.bazel b/metropolis/proto/common/BUILD.bazel
index e34ae51..ec3fa68 100644
--- a/metropolis/proto/common/BUILD.bazel
+++ b/metropolis/proto/common/BUILD.bazel
@@ -9,7 +9,6 @@
         "PACKAGE_VERSION_SUFFIX",
         "ENUM_VALUE_PREFIX",  # TODO: evaluate correctness
         "ENUM_ZERO_VALUE_SUFFIX",  # TODO: evaluate correctness
-        "FIELD_LOWER_SNAKE_CASE",  # TODO: evaluate correctness
     ],
     protos = [":common_proto"],
     use_rules = [
diff --git a/metropolis/proto/common/common.proto b/metropolis/proto/common/common.proto
index 4580ef2..e7b1b96 100644
--- a/metropolis/proto/common/common.proto
+++ b/metropolis/proto/common/common.proto
@@ -54,8 +54,8 @@
         // watcher and curator.Watch.
         bytes initial_crl = 3;
         message Peer {
-            string Name = 1;
-            string URL = 2;
+            string name = 1;
+            string url = 2;
         }
         repeated Peer peers = 4;
     }