diff --git a/src/internal/poll/fd_poll_runtime.go b/src/internal/poll/fd_poll_runtime.go
index 4d3cc784059..0a2e76d73f2 100644
--- a/src/internal/poll/fd_poll_runtime.go
+++ b/src/internal/poll/fd_poll_runtime.go
@@ -23,7 +23,7 @@ func runtime_pollServerInit()
 func runtime_pollOpen(fd uintptr) (uintptr, int)
 func runtime_pollClose(ctx uintptr)
 func runtime_pollWait(ctx uintptr, mode int) int
-func runtime_pollWaitCanceled(ctx uintptr, mode int) int
+func runtime_pollWaitCanceled(ctx uintptr, mode int)
 func runtime_pollReset(ctx uintptr, mode int) int
 func runtime_pollSetDeadline(ctx uintptr, d int64, mode int)
 func runtime_pollUnblock(ctx uintptr)
diff --git a/src/sync/atomic/value.go b/src/sync/atomic/value.go
index 8c491b46162..a57b08a6b87 100644
--- a/src/sync/atomic/value.go
+++ b/src/sync/atomic/value.go
@@ -190,5 +190,5 @@ func (v *Value) CompareAndSwap(old, new any) (swapped bool) {
 }
 
 // Disable/enable preemption, implemented in runtime.
-func runtime_procPin()
+func runtime_procPin() int
 func runtime_procUnpin()