diff --git a/cl/compile.go b/cl/compile.go
index a15fa4ed..9487fb55 100644
--- a/cl/compile.go
+++ b/cl/compile.go
@@ -283,10 +283,7 @@ func (p *context) compileValues(b llssa.Builder, vals []ssa.Value, hasVArg int)
 // -----------------------------------------------------------------------------
 
 // NewPackage compiles a Go package to LLVM IR package.
-func NewPackage(
-	prog llssa.Program,
-	fset *token.FileSet, pkg *ssa.Package, files []*ast.File) (ret llssa.Package, err error) {
-
+func NewPackage(prog llssa.Program, pkg *ssa.Package, files []*ast.File) (ret llssa.Package, err error) {
 	type namedMember struct {
 		name string
 		val  ssa.Member
@@ -311,7 +308,7 @@ func NewPackage(
 	ctx := &context{
 		prog:   prog,
 		pkg:    ret,
-		fset:   fset,
+		fset:   pkg.Prog.Fset,
 		goPkg:  pkg,
 		link:   make(map[string]string),
 		loaded: make(map[*types.Package]none),
diff --git a/cl/compile_test.go b/cl/compile_test.go
index 49c6650d..9b72311f 100644
--- a/cl/compile_test.go
+++ b/cl/compile_test.go
@@ -35,7 +35,7 @@ import (
 )
 
 func TestFromTestdata(t *testing.T) {
-	testFromDir(t, "importpkg", "./_testdata")
+	testFromDir(t, "", "./_testdata")
 }
 
 func init() {
@@ -97,7 +97,7 @@ func testCompileEx(t *testing.T, src any, fname, expected string) {
 	}
 	foo.WriteTo(os.Stderr)
 	prog := llssa.NewProgram(nil)
-	ret, err := NewPackage(prog, fset, foo, files)
+	ret, err := NewPackage(prog, foo, files)
 	if err != nil {
 		t.Fatal("cl.NewPackage failed:", err)
 	}
diff --git a/cl/import.go b/cl/import.go
index c9746a64..1b2008f8 100644
--- a/cl/import.go
+++ b/cl/import.go
@@ -58,7 +58,7 @@ func (p *context) importPkg(pkg *types.Package) {
 			if obj, ok := obj.(*types.Func); ok {
 				if pos := obj.Pos(); pos != token.NoPos {
 					f := fset.File(pos)
-					if fp := f.PositionFor(pos, false); fp.Line > 2 {
+					if fp := f.Position(pos); fp.Line > 2 {
 						lines, err := contentOf(contents, fp.Filename)
 						if err != nil {
 							panic(err)
diff --git a/internal/llgen/llgen.go b/internal/llgen/llgen.go
index c9acab14..23c59be4 100644
--- a/internal/llgen/llgen.go
+++ b/internal/llgen/llgen.go
@@ -59,7 +59,7 @@ func Gen(inFile string, src any) string {
 	ssaPkg.WriteTo(os.Stderr)
 
 	prog := llssa.NewProgram(nil)
-	ret, err := cl.NewPackage(prog, fset, ssaPkg, files)
+	ret, err := cl.NewPackage(prog, ssaPkg, files)
 	check(err)
 
 	return ret.String()