diff --git a/README.md b/README.md
index b5c5505..d3328d9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# SimpleXLSXGen class 0.9.10 (Official)
+# SimpleXLSXGen class 0.9.11 (Official)
 [<img src="https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fshieldsio-patreon.herokuapp.com%2Fshuchkin" />](https://www.patreon.com/shuchkin) [<img src="https://img.shields.io/github/license/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/blob/master/license.md) [<img src="https://img.shields.io/github/stars/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/stargazers) [<img src="https://img.shields.io/github/forks/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/network) [<img src="https://img.shields.io/github/issues/shuchkin/simplexlsxgen" />](https://github.com/shuchkin/simplexlsxgen/issues)
 
 Export data to Excel XLSX file. PHP XLSX generator. No external tools and libraries.<br/>
@@ -49,4 +49,5 @@ SimpleXLSXGen::fromArray( $data )->saveAs('datatypes.xlsx');
 ![XLSX screenshot](datatypes.png)
 
 ## History
+v0.9.11 (2020-05-21) removed XML unimportant attributes
 v0.9.10 (2020-05-20) initial relese
\ No newline at end of file
diff --git a/src/SimpleXLSXGen.php b/src/SimpleXLSXGen.php
index 5856b35..105d7e8 100644
--- a/src/SimpleXLSXGen.php
+++ b/src/SimpleXLSXGen.php
@@ -52,9 +52,9 @@ class SimpleXLSXGen {
 <sst xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" count="{CNT}" uniqueCount="{CNT}">{STRINGS}</sst>',
 			'xl/styles.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">
-<fonts count="1"><font><name val="Calibri"/><family val="2"/></font></fonts>
+<fonts count="2"><font><name val="Calibri"/><family val="2"/></font><font><name val="Calibri"/><family val="2"/><b/></font></fonts>
 <fills count="1"><fill><patternFill patternType="none"/></fill></fills>
-<borders count="1"><border diagonalUp="false" diagonalDown="false"><left/><right/><top/><bottom/><diagonal/></border></borders>
+<borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders>
 <cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" /></cellStyleXfs>
 <cellXfs count="6">
 	<xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/>
@@ -62,19 +62,14 @@ class SimpleXLSXGen {
 	<xf numFmtId="10" fontId="0" fillId="0" borderId="0" xfId="0"/>
 	<xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0"/>
 	<xf numFmtId="20" fontId="0" fillId="0" borderId="0" xfId="0"/>
-	<xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0"/>
+	<xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0"/>	
 </cellXfs>
 <cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles>
 </styleSheet>',
 			'xl/workbook.xml' => '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">
 <fileVersion appName="'.__CLASS__.'"/>
-<workbookPr backupFile="false" showObjects="all" date1904="false"/>
-<bookViews>
-<workbookView showHorizontalScroll="true" showVerticalScroll="true" showSheetTabs="true" xWindow="0" yWindow="0" windowWidth="16384" windowHeight="8192" tabRatio="205" firstSheet="0" activeTab="0"/>
-</bookViews>
 <sheets><sheet name="Sheet1" sheetId="1" state="visible" r:id="rId2"/></sheets>
-<calcPr iterateCount="100" refMode="A1" iterate="false" iterateDelta="0.001"/>
 </workbook>'
 		];
 		// <col min="1" max="1" width="22.1796875" bestFit="1" customWidth="1"/>
@@ -176,7 +171,7 @@ class SimpleXLSXGen {
 				$CUR_ROW++;
 				$row = '<row r="'.$CUR_ROW.'">';
 				$CUR_COL = 0;
-				foreach( $r as $k => $v ) {
+				foreach( $r as $v ) {
 					$CUR_COL++;
 					if ( !isset($COL[ $CUR_COL ])) {
 						$COL[ $CUR_COL ] = 0;
@@ -231,12 +226,12 @@ class SimpleXLSXGen {
 				$ROWS[] = $row . "</row>\r\n";
 			}
 			foreach ( $COL as $k => $max ) {
-				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max, 60).'" bestFit="1" customWidth="1" />';
+//				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max+1, 60).'" bestFit="true" customWidth="true" />';
+				$COLS[] = '<col min="'.$k.'" max="'.$k.'" width="'.min( $max+1, 60).'" />';
 			}
 			$REF = 'A1:'.$this->_num2name(count($COLS)).$CUR_ROW;
 		} else {
-//			$COLS[] = '<col min="1" max="7" width="7.18" bestFit="1" customWidth="1" />';
-			$COLS[] = '<col min="1" max="7" bestFit="1" />';
+			$COLS[] = '<col min="1" max="1" bestFit="1" />';
 			$ROWS[] = '<row r="1"><c r="A1" t="s"><v>0</v></c></row>';
 			$REF = 'A1:A1';
 			$SI[] = 'No Data';