diff --git a/host/mushroom/src/insecure.rs b/host/mushroom/src/insecure.rs
index f04c6795..ff07051d 100644
--- a/host/mushroom/src/insecure.rs
+++ b/host/mushroom/src/insecure.rs
@@ -16,7 +16,7 @@ use anyhow::{ensure, Context, Result};
 use bit_field::BitField;
 use constants::{
     physical_address::{kernel, supervisor, DYNAMIC_2MIB, SUPERVISOR_SERVICES},
-    FIRST_AP, MAX_APS_COUNT,
+    MAX_APS_COUNT,
 };
 use loader::Input;
 use nix::sys::pthread::pthread_kill;
@@ -154,10 +154,7 @@ pub fn main(
     let cpuid_entries = Arc::<[KvmCpuidEntry2]>::from(cpuid_entries);
     let done = Arc::new(AtomicBool::new(false));
     let ap_threads = (0..MAX_APS_COUNT)
-        .map(|i| {
-            let id = FIRST_AP + i;
-            run_kernel_vcpu(id, vm.clone(), cpuid_entries.clone(), done.clone())
-        })
+        .map(|i| run_kernel_vcpu(i, vm.clone(), cpuid_entries.clone(), done.clone()))
         .collect::<Vec<_>>();
     ap_threads[0].thread().unpark();
     start_log_collection(&memory_slots, kernel::LOG_BUFFER)?;