diff --git a/src/device/esp/esp32.S b/src/device/esp/esp32.S
index f1850fdc..78d52623 100644
--- a/src/device/esp/esp32.S
+++ b/src/device/esp/esp32.S
@@ -49,9 +49,3 @@ call_start_cpu0_go:
 
     // Jump to the runtime start function written in Go.
     call4 main
-
-.section .text.tinygo_scanCurrentStack
-.global tinygo_scanCurrentStack
-tinygo_scanCurrentStack:
-    // TODO: save callee saved registers on the stack
-    j tinygo_scanstack
diff --git a/src/runtime/gc_stack_raw.go b/src/runtime/gc_stack_raw.go
index 50d57858..fe7877f1 100644
--- a/src/runtime/gc_stack_raw.go
+++ b/src/runtime/gc_stack_raw.go
@@ -19,12 +19,8 @@ func markStack() {
 	}
 }
 
-//go:export tinygo_scanCurrentStack
-func scanCurrentStack()
-
-//go:export tinygo_scanstack
-func scanstack(sp uintptr) {
-	sp = getCurrentStackPointer()
+func scanCurrentStack() {
+	sp := getCurrentStackPointer()
 	// Mark current stack.
 	// This function is called by scanCurrentStack, after pushing all registers onto the stack.
 	// Callee-saved registers have been pushed onto stack by tinygo_localscan, so this will scan them too.