diff --git a/src/cpu/intel/model_2065x/finalize.c b/src/cpu/intel/model_2065x/finalize.c
index d19ddf7a34..e1fa968d9c 100644
--- a/src/cpu/intel/model_2065x/finalize.c
+++ b/src/cpu/intel/model_2065x/finalize.c
@@ -16,10 +16,6 @@ void intel_model_2065x_finalize_smm(void)
 	/* Lock C-State MSR */
 	msr_set(MSR_PKG_CST_CONFIG_CONTROL, BIT(15));
 
-	/* Lock AES-NI only if supported */
-	if (cpuid_ecx(1) & (1 << 25))
-		msr_set(MSR_FEATURE_CONFIG, BIT(0));
-
 	/* Lock TM interrupts - route thermal events to all processors */
 	msr_set(MSR_MISC_PWR_MGMT, BIT(22));
 }
diff --git a/src/cpu/intel/model_2065x/model_2065x_init.c b/src/cpu/intel/model_2065x/model_2065x_init.c
index ff4a255dfd..b4a91ea658 100644
--- a/src/cpu/intel/model_2065x/model_2065x_init.c
+++ b/src/cpu/intel/model_2065x/model_2065x_init.c
@@ -216,6 +216,12 @@ static void model_2065x_init(struct device *cpu)
 	/* Set virtualization based on Kconfig option */
 	set_vmx_and_lock();
 
+	if (!intel_ht_sibling()) {
+		/* Lock AES-NI only if supported */
+		if (cpuid_ecx(1) & (1 << 25))
+			msr_set(MSR_FEATURE_CONFIG, BIT(0));
+	}
+
 	/* Configure Enhanced SpeedStep and Thermal Sensors */
 	configure_misc();
 
diff --git a/src/cpu/intel/model_206ax/finalize.c b/src/cpu/intel/model_206ax/finalize.c
index 98be012746..2298684421 100644
--- a/src/cpu/intel/model_206ax/finalize.c
+++ b/src/cpu/intel/model_206ax/finalize.c
@@ -12,10 +12,6 @@
 
 void intel_model_206ax_finalize_smm(void)
 {
-	/* Lock AES-NI only if supported */
-	if (cpuid_ecx(1) & (1 << 25))
-		msr_set(MSR_FEATURE_CONFIG, BIT(0));
-
 	/* Lock TM interrupts - route thermal events to all processors */
 	msr_set(MSR_MISC_PWR_MGMT, BIT(22));
 
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c
index cd828e8199..d23772a23f 100644
--- a/src/cpu/intel/model_206ax/model_206ax_init.c
+++ b/src/cpu/intel/model_206ax/model_206ax_init.c
@@ -470,6 +470,12 @@ static void model_206ax_init(struct device *cpu)
 	/* Thermal throttle activation offset */
 	configure_thermal_target();
 
+	if (!intel_ht_sibling()) {
+		/* Lock AES-NI only if supported */
+		if (cpuid_ecx(1) & (1 << 25))
+			msr_set(MSR_FEATURE_CONFIG, BIT(0));
+	}
+
 	/* Enable Direct Cache Access */
 	configure_dca_cap();