diff --git a/README.md b/README.md
index 8df44feb..a131d24a 100644
--- a/README.md
+++ b/README.md
@@ -49,4 +49,4 @@ Currently we provide precompiled libraries. See the following page for instructi
 * [iOS](https://github.com/google/nearby/blob/master/docs/ios_build.md)
 
 
-**Last Updated:** Febrary 2022
+**Last Updated:** March 2022
diff --git a/proto/mediums/BUILD b/proto/mediums/BUILD
index cf6d1081..af3c5fd7 100644
--- a/proto/mediums/BUILD
+++ b/proto/mediums/BUILD
@@ -21,7 +21,6 @@ proto_library(
     srcs = [
         "nfc_frames.proto",
     ],
-    deps = ["//storage/datapol/annotations/proto:datapol_annotations"],  # copybara:strip(datapol)
 )
 
 java_lite_proto_library(
diff --git a/proto/mediums/nfc_frames.proto b/proto/mediums/nfc_frames.proto
index 0389f6d2..b5a9fab6 100644
--- a/proto/mediums/nfc_frames.proto
+++ b/proto/mediums/nfc_frames.proto
@@ -16,9 +16,6 @@ syntax = "proto2";
 
 package location.nearby.mediums;
 
-import "storage/datapol/annotations/proto/semantic_annotations.proto"; // copybara:strip(datapol)
-
-option (datapol.file_vetting_status) = "latest";  // copybara:strip(datapol)
 option optimize_for = LITE_RUNTIME;
 option java_outer_classname = "NfcFramesProto";
 option java_package = "com.google.location.nearby.mediums.proto";
@@ -30,8 +27,7 @@ message AdvertisementData {
   optional bytes tag = 1;
 
   // A public key associated with the advertisement.
-  optional bytes public_key = 2 /* copybara:strip_begin */
-      [(datapol.semantic_type) = ST_SECURITY_KEY] /* copybara:strip_end */;
+  optional bytes public_key = 2 ;
 }
 
 // The data to be sent to advertisers from scanning device during discovery.
@@ -43,6 +39,5 @@ message AdvertisementRequest {
   optional string endpoint_id = 2;
 
   // Public key from the scanning device.
-  optional bytes public_key = 3 /* copybara:strip_begin */
-      [(datapol.semantic_type) = ST_SECURITY_KEY] /* copybara:strip_end */;
+  optional bytes public_key = 3 ;
 }