diff --git a/controllers/pdfsample.go b/controllers/pdfsample.go
index 29a449e..e1eca71 100644
--- a/controllers/pdfsample.go
+++ b/controllers/pdfsample.go
@@ -11,12 +11,8 @@ import (
 	"time"
 
 	"git.smarteching.com/goffee/core"
-	// for graphs
 	"git.smarteching.com/zeni/go-chart/v2"
-	// for PDF
 	"github.com/jung-kurt/gofpdf"
-	// for xslx
-	"github.com/xuri/excelize/v2"
 )
 
 // sample buffer back, pdf
@@ -107,69 +103,10 @@ func Themepdf(c *core.Context) *core.Response {
 
 	}
 
-	return c.Response.BufferFile("elreport.pdf", "application/pdf", b)
+	return c.Response.BufferPDF("elreport.pdf", b)
 
 }
 
-func Themexslx(c *core.Context) *core.Response {
-
-	var b bytes.Buffer
-
-	f := excelize.NewFile()
-
-	defer func() {
-		if err := f.Close(); err != nil {
-			fmt.Println(err)
-		}
-	}()
-
-	for idx, row := range [][]interface{}{
-		{nil, "Cerveza", "Vodka", "Ron"}, {"Small", 2, 3, 3},
-		{"Normal", 5, 2, 4}, {"Large", 6, 7, 8},
-	} {
-		cell, err := excelize.CoordinatesToCellName(1, idx+1)
-		if err != nil {
-			fmt.Println(err)
-		}
-		f.SetSheetRow("Sheet1", cell, &row)
-	}
-
-	if err := f.AddChart("Sheet1", "E1", &excelize.Chart{
-		Type: excelize.Pie,
-		Series: []excelize.ChartSeries{
-			{
-				Name:       "Totales",
-				Categories: "Sheet1!$B$1:$D$1",
-				Values:     "Sheet1!$B$2:$D$2",
-			},
-		},
-		Format: excelize.GraphicOptions{
-			OffsetX: 15,
-			OffsetY: 10,
-		},
-		Title: []excelize.RichTextRun{
-			{
-				Text: "Fruit Pie Chart",
-			},
-		},
-		PlotArea: excelize.ChartPlotArea{
-			ShowPercent: true,
-		},
-	}); err != nil {
-		fmt.Println(err)
-	}
-
-	buf, err := f.WriteToBuffer()
-	if err != nil {
-		fmt.Fprint(buf, err.Error())
-	}
-
-	// Get byte array
-	b.ReadFrom(buf)
-
-	return c.Response.BufferFile("elreport.xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", b)
-}
-
 func getContents() [][]string {
 	return [][]string{
 		{"node1", "Swamp"},