diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index e09403fe..2e706690 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -52,11 +52,6 @@ jobs:
         if: ${{!startsWith(matrix.os, 'macos')}}
         run: go test ./...
 
-      - name: Test Baremetal GC
-        if: ${{!startsWith(matrix.os, 'macos')}}
-        working-directory: runtime/internal/runtime/tinygogc
-        run: go test -tags testGC .
-
       - name: Test with coverage
         if: startsWith(matrix.os, 'macos')
         run: go test -coverprofile="coverage.txt" -covermode=atomic ./...
diff --git a/.github/workflows/llgo.yml b/.github/workflows/llgo.yml
index 4441d04a..124b2cd2 100644
--- a/.github/workflows/llgo.yml
+++ b/.github/workflows/llgo.yml
@@ -61,7 +61,7 @@ jobs:
           if ${{ startsWith(matrix.os, 'macos') }}; then
             DEMO_PKG="cargs_darwin_arm64.zip"
           else
-            DEMO_PKG="cargs_linux_amd64.zip"  
+            DEMO_PKG="cargs_linux_amd64.zip"
           fi
 
           mkdir -p ./_demo/c/cargs/libs
@@ -186,11 +186,15 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version: ${{matrix.go}}
-
+      - name: Test Baremetal GC
+        if: ${{!startsWith(matrix.os, 'macos')}}
+        working-directory: runtime/internal/runtime/tinygogc
+        run: llgo test -tags testGC .
       - name: run llgo test
         run: |
           llgo test ./...
 
+
   hello:
     continue-on-error: true
     timeout-minutes: 30
diff --git a/runtime/internal/runtime/tinygogc/gc_link.go b/runtime/internal/runtime/tinygogc/gc_link.go
index 818ce249..13ed3a74 100644
--- a/runtime/internal/runtime/tinygogc/gc_link.go
+++ b/runtime/internal/runtime/tinygogc/gc_link.go
@@ -10,14 +10,6 @@ import (
 //go:linkname getsp llgo.stackSave
 func getsp() unsafe.Pointer
 
-// link here for testing
-//
-//go:linkname memset C.memset
-func memset(unsafe.Pointer, int, uintptr) unsafe.Pointer
-
-//go:linkname memcpy C.memcpy
-func memcpy(unsafe.Pointer, unsafe.Pointer, uintptr)
-
 //go:linkname _heapStart _heapStart
 var _heapStart [0]byte
 
diff --git a/runtime/internal/runtime/tinygogc/gc_test.go b/runtime/internal/runtime/tinygogc/gc_test.go
index 0234b5fa..07fe7571 100644
--- a/runtime/internal/runtime/tinygogc/gc_test.go
+++ b/runtime/internal/runtime/tinygogc/gc_test.go
@@ -3,7 +3,6 @@
 package tinygogc
 
 import (
-	"unsafe"
 	_ "unsafe"
 )
 
@@ -22,14 +21,3 @@ var _stackStart [0]byte
 var _globals_start [0]byte
 
 var _globals_end [0]byte
-
-//go:linkname memclrNoHeapPointers runtime.memclrNoHeapPointers
-func memclrNoHeapPointers(unsafe.Pointer, uintptr) unsafe.Pointer
-
-//go:linkname memcpy runtime.memmove
-func memcpy(to unsafe.Pointer, from unsafe.Pointer, size uintptr)
-
-func memset(ptr unsafe.Pointer, n int, size uintptr) unsafe.Pointer {
-	memclrNoHeapPointers(ptr, size)
-	return ptr
-}
diff --git a/runtime/internal/runtime/tinygogc/gc_tinygo.go b/runtime/internal/runtime/tinygogc/gc_tinygo.go
index d36f1806..89fe320a 100644
--- a/runtime/internal/runtime/tinygogc/gc_tinygo.go
+++ b/runtime/internal/runtime/tinygogc/gc_tinygo.go
@@ -108,7 +108,7 @@ func initGC() {
 	endBlock = (uintptr(metadataStart) - heapStart) / bytesPerBlock
 	stackTop = uintptr(unsafe.Pointer(&_stackStart))
 
-	memset(metadataStart, 0, metadataSize)
+	c.Memset(metadataStart, 0, metadataSize)
 }
 
 func lazyInit() {
@@ -339,7 +339,7 @@ func Alloc(size uintptr) unsafe.Pointer {
 			}
 			unlock(&gcMutex)
 			// Return a pointer to this allocation.
-			return memset(gcPointerOf(thisAlloc), 0, size)
+			return c.Memset(gcPointerOf(thisAlloc), 0, size)
 		}
 	}
 }
@@ -363,7 +363,7 @@ func Realloc(ptr unsafe.Pointer, size uintptr) unsafe.Pointer {
 	}
 
 	newAlloc := Alloc(size)
-	memcpy(newAlloc, ptr, oldSize)
+	c.Memcpy(newAlloc, ptr, oldSize)
 	free(ptr)
 
 	return newAlloc
diff --git a/runtime/internal/runtime/tinygogc/pc_mock_test.go b/runtime/internal/runtime/tinygogc/pc_mock_test.go
index dde398ce..ba141c7d 100644
--- a/runtime/internal/runtime/tinygogc/pc_mock_test.go
+++ b/runtime/internal/runtime/tinygogc/pc_mock_test.go
@@ -5,6 +5,8 @@ package tinygogc
 import (
 	"testing"
 	"unsafe"
+
+	c "github.com/goplus/llgo/runtime/internal/clite"
 )
 
 const (
@@ -95,7 +97,7 @@ func (env *mockGCEnv) setupMockGC() {
 	endBlock = (uintptr(metadataStart) - heapStart) / bytesPerBlock
 
 	// Clear metadata using memset like initGC does
-	memset(metadataStart, 0, metadataSize)
+	c.Memset(metadataStart, 0, metadataSize)
 
 	// Reset allocator state (initGC doesn't reset these, but we need to)
 	nextAlloc = 0