diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index fa550f137a..44a29151b5 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -741,7 +741,7 @@ static void asmlinkage smm_do_relocation(void *arg)
 		mseg = mp_state.perm_smbase +
 			(mp_state.perm_smsize - CONFIG_MSEG_SIZE);
 
-		stm_setup(mseg, p->cpu, runtime->num_cpus,
+		stm_setup(mseg, p->cpu,
 				perm_smbase,
 				mp_state.perm_smbase,
 				runtime->start32_offset);
diff --git a/src/security/intel/stm/SmmStm.h b/src/security/intel/stm/SmmStm.h
index 4f72816cae..169025553a 100644
--- a/src/security/intel/stm/SmmStm.h
+++ b/src/security/intel/stm/SmmStm.h
@@ -28,7 +28,7 @@
 int load_stm_image(uintptr_t mseg);
 
 void stm_setup(
-	uintptr_t mseg, int cpu, int num_cpus, uintptr_t smbase,
+	uintptr_t mseg, int cpu, uintptr_t smbase,
 	uintptr_t smbase_base, uint32_t offset32);
 
 /*
diff --git a/src/security/intel/stm/StmPlatformSmm.c b/src/security/intel/stm/StmPlatformSmm.c
index 248ccc028a..b9d2686f35 100644
--- a/src/security/intel/stm/StmPlatformSmm.c
+++ b/src/security/intel/stm/StmPlatformSmm.c
@@ -154,7 +154,7 @@ extern uint8_t *stm_resource_heap;
 
 static int stm_load_status = 0;
 
-void stm_setup(uintptr_t mseg, int cpu, int num_cpus, uintptr_t smbase,
+void stm_setup(uintptr_t mseg, int cpu, uintptr_t smbase,
 			uintptr_t base_smbase, uint32_t offset32)
 {
 	msr_t InitMseg;
@@ -163,7 +163,7 @@ void stm_setup(uintptr_t mseg, int cpu, int num_cpus, uintptr_t smbase,
 
 	uintptr_t addr_calc;  // used to calculate the stm resource heap area
 
-	printk(BIOS_DEBUG, "STM: set up for cpu %d/%d\n", cpu, num_cpus);
+	printk(BIOS_DEBUG, "STM: set up for cpu %d\n", cpu);
 
 	vmx_basic = rdmsr(IA32_VMX_BASIC_MSR);