diff --git a/src/pkg/os/error_plan9.go b/src/pkg/os/error_plan9.go
index 8f005efbe0..3c727b2ab3 100644
--- a/src/pkg/os/error_plan9.go
+++ b/src/pkg/os/error_plan9.go
@@ -17,10 +17,6 @@ type SyscallError struct {
 
 func (e *SyscallError) Error() string { return e.Syscall + ": " + e.Err }
 
-// Note: If the name of the function NewSyscallError changes,
-// pkg/go/doc/doc.go should be adjusted since it hardwires
-// this name in a heuristic.
-
 // NewSyscallError returns, as an error, a new SyscallError
 // with the given system call name and error details.
 // As a convenience, if err is nil, NewSyscallError returns nil.
diff --git a/src/pkg/os/error_posix.go b/src/pkg/os/error_posix.go
index ebbe436970..1a08627256 100644
--- a/src/pkg/os/error_posix.go
+++ b/src/pkg/os/error_posix.go
@@ -59,10 +59,6 @@ type SyscallError struct {
 
 func (e *SyscallError) Error() string { return e.Syscall + ": " + e.Errno.Error() }
 
-// Note: If the name of the function NewSyscallError changes,
-// pkg/go/doc/doc.go should be adjusted since it hardwires
-// this name in a heuristic.
-
 // NewSyscallError returns, as an error, a new SyscallError
 // with the given system call name and error details.
 // As a convenience, if err is nil, NewSyscallError returns nil.