diff --git a/ostd/src/arch/x86/mod.rs b/ostd/src/arch/x86/mod.rs
index 27f57257d..2c118dcd6 100644
--- a/ostd/src/arch/x86/mod.rs
+++ b/ostd/src/arch/x86/mod.rs
@@ -74,7 +74,7 @@ static CPU_FEATURES: Once<FeatureInfo> = Once::new();
 pub(crate) unsafe fn late_init_on_bsp() {
     // SAFETY: this function is only called once on BSP.
     unsafe {
-        crate::arch::trap::init(true);
+        trap::init(true);
     }
     irq::init();
 
diff --git a/ostd/src/lib.rs b/ostd/src/lib.rs
index df942cf5c..8d3c83bd8 100644
--- a/ostd/src/lib.rs
+++ b/ostd/src/lib.rs
@@ -99,7 +99,7 @@ unsafe fn init() {
 
     mm::kspace::init_kernel_page_table(meta_pages);
 
-    crate::sync::init();
+    sync::init();
 
     boot::init_after_heap();