diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index 022dd3fe7d..25ce00d6a7 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -4792,7 +4792,7 @@ TEST_P(ImportKeyTest, RsaOaepMGFDigestSuccess) {
 
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
         string result;
-        EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+        EXPECT_NE(ErrorCode::OK, Finish(ciphertext1, &result));
         EXPECT_EQ(0U, result.size());
     }
 }
@@ -5300,7 +5300,7 @@ TEST_P(EncryptionOperationsTest, RsaOaepSuccess) {
 
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
         string result;
-        EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+        EXPECT_NE(ErrorCode::OK, Finish(ciphertext1, &result));
         EXPECT_EQ(0U, result.size());
     }
 }
@@ -5367,7 +5367,7 @@ TEST_P(EncryptionOperationsTest, RsaOaepDecryptWithWrongDigest) {
                                                                 .Digest(Digest::SHA_2_256)
                                                                 .Padding(PaddingMode::RSA_OAEP)));
     string result;
-    EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext, &result));
+    EXPECT_NE(ErrorCode::OK, Finish(ciphertext, &result));
     EXPECT_EQ(0U, result.size());
 }
 
@@ -5437,7 +5437,7 @@ TEST_P(EncryptionOperationsTest, RsaOaepWithMGFDigestSuccess) {
 
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
         string result;
-        EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+        EXPECT_NE(ErrorCode::OK, Finish(ciphertext1, &result));
         EXPECT_EQ(0U, result.size());
     }
 }
@@ -5481,7 +5481,7 @@ TEST_P(EncryptionOperationsTest, RsaOaepMGFDigestDefaultSuccess) {
 
     EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
     string result;
-    EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext, &result));
+    EXPECT_NE(ErrorCode::OK, Finish(ciphertext, &result));
     EXPECT_EQ(0U, result.size());
 }
 
@@ -5613,7 +5613,7 @@ TEST_P(EncryptionOperationsTest, RsaPkcs1Success) {
 
     EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
     string result;
-    EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+    EXPECT_NE(ErrorCode::OK, Finish(ciphertext1, &result));
     EXPECT_EQ(0U, result.size());
 }