diff --git a/osbase/kmod/spec/BUILD.bazel b/osbase/kmod/spec/BUILD.bazel
index 5ff430e..8994546 100644
--- a/osbase/kmod/spec/BUILD.bazel
+++ b/osbase/kmod/spec/BUILD.bazel
@@ -7,7 +7,6 @@
     name = "spec_proto_lint_test",
     except_rules = [
         "PACKAGE_VERSION_SUFFIX",
-        "ENUM_VALUE_PREFIX",  # TODO: evaluate correctness
         "ENUM_ZERO_VALUE_SUFFIX",  # TODO: evaluate correctness
     ],
     protos = [":spec_proto"],
diff --git a/osbase/kmod/spec/meta.proto b/osbase/kmod/spec/meta.proto
index 2eb5c7a..634b2ad 100644
--- a/osbase/kmod/spec/meta.proto
+++ b/osbase/kmod/spec/meta.proto
@@ -18,16 +18,16 @@
 message RadixNode {
     enum Type {
         // Matches one or more characters literally.
-        LITERAL = 0;
+        TYPE_LITERAL = 0;
         // Matches zero or more arbitrary characters.
-        WILDCARD = 1;
+        TYPE_WILDCARD = 1;
         // Matches exactly one arbitrary character.
-        SINGLE_WILDCARD = 2;
+        TYPE_SINGLE_WILDCARD = 2;
         // Matches exactly one character between start_byte and end_byte.
-        BYTE_RANGE = 3;
+        TYPE_BYTE_RANGE = 3;
         // Root matches nothing, but serves a the root node for a radix
         // tree.
-        ROOT = 4;
+        TYPE_ROOT = 4;
     }
     Type type = 1;