diff --git a/llvm/include/llvm/Support/AArch64TargetParser.def b/llvm/include/llvm/Support/AArch64TargetParser.def
--- a/llvm/include/llvm/Support/AArch64TargetParser.def
+++ b/llvm/include/llvm/Support/AArch64TargetParser.def
@@ -292,8 +292,7 @@
 AARCH64_CPU_NAME("carmel", ARMV8_2A, FK_CRYPTO_NEON_FP_ARMV8, false,
                  AArch64::AEK_FP16)
 AARCH64_CPU_NAME("ampere1", ARMV8_6A, FK_CRYPTO_NEON_FP_ARMV8, false,
-                 (AArch64::AEK_FP16 | AArch64::AEK_MTE | AArch64::AEK_SB |
-                  AArch64::AEK_SSBS))
+                 (AArch64::AEK_FP16 | AArch64::AEK_SB | AArch64::AEK_SSBS))
 // Invalid CPU
 AARCH64_CPU_NAME("invalid", INVALID, FK_INVALID, true, AArch64::AEK_INVALID)
 #undef AARCH64_CPU_NAME
diff --git a/llvm/unittests/Support/TargetParserTest.cpp b/llvm/unittests/Support/TargetParserTest.cpp
--- a/llvm/unittests/Support/TargetParserTest.cpp
+++ b/llvm/unittests/Support/TargetParserTest.cpp
@@ -1201,7 +1201,7 @@
                              AArch64::AEK_RDM  | AArch64::AEK_RCPC | AArch64::AEK_DOTPROD |
                              AArch64::AEK_SM4  | AArch64::AEK_SHA3 | AArch64::AEK_BF16    |
                              AArch64::AEK_SHA2 | AArch64::AEK_AES  | AArch64::AEK_I8MM    |
-                             AArch64::AEK_MTE  | AArch64::AEK_SSBS | AArch64::AEK_SB,
+                             AArch64::AEK_SSBS | AArch64::AEK_SB,
                          "8.6-A"),
         ARMCPUTestParams(
             "neoverse-512tvb", "armv8.4-a", "crypto-neon-fp-armv8",