diff --git a/contrib/gofpdi/gofpdi.go b/contrib/gofpdi/gofpdi.go
index 7b9c8229..8cf8d445 100644
--- a/contrib/gofpdi/gofpdi.go
+++ b/contrib/gofpdi/gofpdi.go
@@ -9,8 +9,9 @@ however that use of the default Importer is not thread safe.
 package gofpdi
 
 import (
-	realgofpdi "github.com/phpdave11/gofpdi"
 	"io"
+
+	realgofpdi "github.com/phpdave11/gofpdi"
 )
 
 // gofpdiPdf is a partial interface that only implements the functions we need
@@ -49,7 +50,7 @@ func (i *Importer) ImportPage(f gofpdiPdf, sourceFile string, pageno int, box st
 // (/MediaBox, TrimBox, /ArtBox, /CropBox, or /BleedBox). Returns a template id
 // that can be used with UseImportedTemplate to draw the template onto the
 // page.
-func (i *Importer) ImportPageFromStream(f gofpdiPdf, rs *io.ReadSeeker, pageno int, box string) int {
+func (i *Importer) ImportPageFromStream(f gofpdiPdf, rs io.ReadSeeker, pageno int, box string) int {
 	// Set source stream for fpdi
 	i.fpdi.SetSourceStream(rs)
 	// return template id
@@ -120,7 +121,7 @@ func ImportPage(f gofpdiPdf, sourceFile string, pageno int, box string) int {
 // that can be used with UseImportedTemplate to draw the template onto the
 // page.
 // Note: This uses the default Importer. Call NewImporter() to obtain a custom Importer.
-func ImportPageFromStream(f gofpdiPdf, rs *io.ReadSeeker, pageno int, box string) int {
+func ImportPageFromStream(f gofpdiPdf, rs io.ReadSeeker, pageno int, box string) int {
 	return fpdi.ImportPageFromStream(f, rs, pageno, box)
 }
 
diff --git a/contrib/gofpdi/gofpdi_test.go b/contrib/gofpdi/gofpdi_test.go
index b5e611f8..d5a55d94 100644
--- a/contrib/gofpdi/gofpdi_test.go
+++ b/contrib/gofpdi/gofpdi_test.go
@@ -2,11 +2,12 @@ package gofpdi
 
 import (
 	"bytes"
-	"github.com/phpdave11/gofpdf"
-	"github.com/phpdave11/gofpdf/internal/example"
 	"io"
 	"sync"
 	"testing"
+
+	"github.com/phpdave11/gofpdf"
+	"github.com/phpdave11/gofpdf/internal/example"
 )
 
 func ExampleNewImporter() {
@@ -20,7 +21,7 @@ func ExampleNewImporter() {
 	imp := NewImporter()
 
 	// import first page and determine page sizes
-	tpl := imp.ImportPageFromStream(pdf, &rs, 1, "/MediaBox")
+	tpl := imp.ImportPageFromStream(pdf, rs, 1, "/MediaBox")
 	pageSizes := imp.GetPageSizes()
 	nrPages := len(imp.GetPageSizes())
 
@@ -28,7 +29,7 @@ func ExampleNewImporter() {
 	for i := 1; i <= nrPages; i++ {
 		pdf.AddPage()
 		if i > 1 {
-			tpl = imp.ImportPageFromStream(pdf, &rs, i, "/MediaBox")
+			tpl = imp.ImportPageFromStream(pdf, rs, i, "/MediaBox")
 		}
 		imp.UseImportedTemplate(pdf, tpl, 0, 0, pageSizes[i]["/MediaBox"]["w"], pageSizes[i]["/MediaBox"]["h"])
 	}
@@ -51,7 +52,7 @@ func TestGofpdiConcurrent(t *testing.T) {
 			pdf.AddPage()
 			rs, _ := getTemplatePdf()
 			imp := NewImporter()
-			tpl := imp.ImportPageFromStream(pdf, &rs, 1, "/MediaBox")
+			tpl := imp.ImportPageFromStream(pdf, rs, 1, "/MediaBox")
 			imp.UseImportedTemplate(pdf, tpl, 0, 0, 210.0, 297.0)
 			// write to bytes buffer
 			buf := bytes.Buffer{}
diff --git a/go.sum b/go.sum
index 0f70e932..7a1d32ac 100644
--- a/go.sum
+++ b/go.sum
@@ -3,19 +3,8 @@ github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
-github.com/phpdave11/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
-github.com/phpdave11/gofpdi v1.0.7 h1:k2oy4yhkQopCK+qW8KjCla0iU2RpDow+QUDmH9DDt44=
-github.com/phpdave11/gofpdi v1.0.7/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
-github.com/phpdave11/gofpdi v1.0.9 h1:MpzgK5tRbY7mfiGcLcV3CUk3sFBa61xbBXDYW3LlmBM=
-github.com/phpdave11/gofpdi v1.0.9/go.mod h1:r/fO8a9KSCrpwwTaqEx3amFJ6IHjfvAq7w1GP0XYRcg=
-github.com/phpdave11/gofpdi v1.0.10 h1:hghWGyJV8uSyIYvzCasOtqevbV/4FCL8fef9y8ttJTU=
-github.com/phpdave11/gofpdi v1.0.10/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
-github.com/phpdave11/gofpdi v1.0.11 h1:wsBNx+3S0wy1dEp6fzv281S74ogZGgIdYWV2PugWgho=
-github.com/phpdave11/gofpdi v1.0.11/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
-github.com/phpdave11/gofpdi v1.0.12 h1:RZb9NG62cw/RW0rHAduVRo+98R8o/G1krcg2ns7DakQ=
-github.com/phpdave11/gofpdi v1.0.12/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
+github.com/phpdave11/gofpdi v1.0.13 h1:o61duiW8M9sMlkVXWlvP92sZJtGKENvW3VExs6dZukQ=
 github.com/phpdave11/gofpdi v1.0.13/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -25,8 +14,6 @@ github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58 h1:nlG4Wa5+min
 github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfFZQK844Gfx8o5WFuvpxWRwnSoipWe/p622j1v06w=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/image v0.0.0-20190902063713-cb417be4ba39 h1:4dQcAORh9oYBwVSBVIkP489LUPC+f1HBkTYXgmqfR+o=
-golang.org/x/image v0.0.0-20190902063713-cb417be4ba39/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a h1:gHevYm0pO4QUbwy8Dmdr01R5r1BuKtfYqRqF0h/Cbh0=
 golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=