diff --git a/core/java/android/security/keymaster/KeymasterDefs.java b/core/java/android/security/keymaster/KeymasterDefs.java
index 0b11aeb1ed654..3b4f7e2418522 100644
--- a/core/java/android/security/keymaster/KeymasterDefs.java
+++ b/core/java/android/security/keymaster/KeymasterDefs.java
@@ -124,7 +124,6 @@ public final class KeymasterDefs {
     public static final int KM_TAG_DEVICE_UNIQUE_ATTESTATION =
             Tag.DEVICE_UNIQUE_ATTESTATION; // KM_BOOL | 720;
 
-    public static final int KM_TAG_ASSOCIATED_DATA = Tag.ASSOCIATED_DATA; // KM_BYTES | 1000;
     public static final int KM_TAG_NONCE = Tag.NONCE; // KM_BYTES | 1001;
     public static final int KM_TAG_MAC_LENGTH = Tag.MAC_LENGTH; // KM_UINT | 1003;
     public static final int KM_TAG_RESET_SINCE_ID_ROTATION =