diff --git a/windows/mkwinsyscall/mkwinsyscall.go b/windows/mkwinsyscall/mkwinsyscall.go
index 3947092c..f894ab3c 100644
--- a/windows/mkwinsyscall/mkwinsyscall.go
+++ b/windows/mkwinsyscall/mkwinsyscall.go
@@ -62,7 +62,6 @@ import (
 	"path/filepath"
 	"runtime"
 	"sort"
-	"strconv"
 	"strings"
 	"text/template"
 )
@@ -576,14 +575,7 @@ func (f *Fn) SyscallParamCount() int {
 
 // Syscall determines which SyscallX function to use for function f.
 func (f *Fn) Syscall() string {
-	c := f.SyscallParamCount()
-	if c == 3 {
-		return syscalldot() + "Syscall"
-	}
-	if c > 15 {
-		return syscalldot() + "SyscallN"
-	}
-	return syscalldot() + "Syscall" + strconv.Itoa(c)
+	return syscalldot() + "SyscallN"
 }
 
 // SyscallParamList returns source code for SyscallX parameters for function f.