diff --git a/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp b/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
index 38f3586862..76fb79b618 100644
--- a/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
+++ b/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
@@ -222,7 +222,7 @@ TEST_P(GenerateKeyTests, generateAndUseEcdsaP256Key_prodMode) {
     // Generate an ECDSA key that is attested by the generated P256 keypair.
     AuthorizationSet keyDesc = AuthorizationSetBuilder()
                                        .Authorization(TAG_NO_AUTH_REQUIRED)
-                                       .EcdsaSigningKey(256)
+                                       .EcdsaSigningKey(EcCurve::P_256)
                                        .AttestationChallenge("foo")
                                        .AttestationApplicationId("bar")
                                        .Digest(Digest::NONE)
diff --git a/security/keymint/support/authorization_set.cpp b/security/keymint/support/authorization_set.cpp
index 25eace3caf..c1b5d48235 100644
--- a/security/keymint/support/authorization_set.cpp
+++ b/security/keymint/support/authorization_set.cpp
@@ -161,11 +161,6 @@ AuthorizationSetBuilder& AuthorizationSetBuilder::RsaEncryptionKey(uint32_t key_
     return EncryptionKey();
 }
 
-AuthorizationSetBuilder& AuthorizationSetBuilder::EcdsaSigningKey(uint32_t key_size) {
-    EcdsaKey(key_size);
-    return SigningKey();
-}
-
 AuthorizationSetBuilder& AuthorizationSetBuilder::EcdsaSigningKey(EcCurve curve) {
     EcdsaKey(curve);
     return SigningKey();
diff --git a/security/keymint/support/include/keymint_support/authorization_set.h b/security/keymint/support/include/keymint_support/authorization_set.h
index ca51b08ea9..e41a329dbc 100644
--- a/security/keymint/support/include/keymint_support/authorization_set.h
+++ b/security/keymint/support/include/keymint_support/authorization_set.h
@@ -281,7 +281,6 @@ class AuthorizationSetBuilder : public AuthorizationSet {
 
     AuthorizationSetBuilder& RsaSigningKey(uint32_t key_size, uint64_t public_exponent);
     AuthorizationSetBuilder& RsaEncryptionKey(uint32_t key_size, uint64_t public_exponent);
-    AuthorizationSetBuilder& EcdsaSigningKey(uint32_t key_size);
     AuthorizationSetBuilder& EcdsaSigningKey(EcCurve curve);
     AuthorizationSetBuilder& AesEncryptionKey(uint32_t key_size);
     AuthorizationSetBuilder& TripleDesEncryptionKey(uint32_t key_size);