diff --git a/go/tools/builders/compilepkg.go b/go/tools/builders/compilepkg.go
index e0ee9efdc..9e941c77b 100644
--- a/go/tools/builders/compilepkg.go
+++ b/go/tools/builders/compilepkg.go
@@ -20,7 +20,6 @@ import (
 	"errors"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -330,7 +329,7 @@ func compileArchive(
 			// Also run cgo on original source files, not coverage instrumented, if using nogo.
 			// The compilation outputs are only used to run cgo, but the generated sources are
 			// passed to the separate nogo action via cgoGoSrcsForNogoPath.
-			_, _, _, err = cgo2(goenv, goSrcsNogo, cgoSrcsNogo, cSrcs, cxxSrcs, objcSrcs, objcxxSrcs, sSrcs, hSrcs, packagePath, packageName, cc, cppFlags, cFlags, cxxFlags, objcFlags, objcxxFlags, ldFlags, cgoExportHPath, cgoGoSrcsForNogoPath)
+			_, _, _, err = cgo2(goenv, goSrcsNogo, cgoSrcsNogo, cSrcs, cxxSrcs, objcSrcs, objcxxSrcs, sSrcs, hSrcs, packagePath, packageName, cc, cppFlags, cFlags, cxxFlags, objcFlags, objcxxFlags, ldFlags, "", cgoGoSrcsForNogoPath)
 			if err != nil {
 				return err
 			}
@@ -345,7 +344,7 @@ func compileArchive(
 		gcFlags = append(gcFlags, createTrimPath(gcFlags, srcDir))
 	} else {
 		if cgoExportHPath != "" {
-			if err := ioutil.WriteFile(cgoExportHPath, nil, 0o666); err != nil {
+			if err := os.WriteFile(cgoExportHPath, nil, 0o666); err != nil {
 				return err
 			}
 		}