diff --git a/exml/Attribute.h b/exml/Attribute.h
index b372c76..a8cf807 100644
--- a/exml/Attribute.h
+++ b/exml/Attribute.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_ATTRIBUTE_H__
-#define __ETK_XML_ATTRIBUTE_H__
+#pragma once
 
 #include <exml/Node.h>
 #include <vector>
@@ -63,8 +61,5 @@ namespace exml {
 			};
 			virtual void clear();
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/AttributeList.h b/exml/AttributeList.h
index c376a21..7d874e0 100644
--- a/exml/AttributeList.h
+++ b/exml/AttributeList.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_ATTRIBUTE_LIST_H__
-#define __ETK_XML_ATTRIBUTE_LIST_H__
+#pragma once
 
 #include <exml/Node.h>
 #include <vector>
@@ -86,8 +84,5 @@ namespace exml {
 			bool iGenerate(std::string& _data, int32_t _indent) const;
 			virtual void clear();
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/Comment.h b/exml/Comment.h
index 8206628..1d9716b 100644
--- a/exml/Comment.h
+++ b/exml/Comment.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_COMMENT_H__
-#define __ETK_XML_COMMENT_H__
+#pragma once
 
 #include <exml/Node.h>
 #include <vector>
@@ -46,8 +44,5 @@ namespace exml {
 				return std::static_pointer_cast<const exml::Comment>(shared_from_this());
 			};
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/Declaration.h b/exml/Declaration.h
index a8eb6b7..35df242 100644
--- a/exml/Declaration.h
+++ b/exml/Declaration.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_DECLARATION_H__
-#define __ETK_XML_DECLARATION_H__
+#pragma once
 
 #include <exml/AttributeList.h>
 
@@ -62,8 +60,5 @@ namespace exml {
 			 */
 			virtual ~DeclarationXML() { };
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/Document.h b/exml/Document.h
index c835637..d168594 100644
--- a/exml/Document.h
+++ b/exml/Document.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_DOCUMENT_H__
-#define __ETK_XML_DOCUMENT_H__
+#pragma once
 
 #include <exml/Element.h>
 #include <vector>
@@ -117,6 +115,3 @@ namespace exml {
 
 //__LINE__, __class__, __func__
 
-#endif
-
-
diff --git a/exml/Element.h b/exml/Element.h
index 40487cd..aee2025 100644
--- a/exml/Element.h
+++ b/exml/Element.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_ELEMENT_H__
-#define __ETK_XML_ELEMENT_H__
+#pragma once
 
 #include <exml/Node.h>
 #include <vector>
@@ -99,8 +97,5 @@ namespace exml {
 			};
 			virtual void clear();
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/Node.h b/exml/Node.h
index 2140ee9..817b284 100644
--- a/exml/Node.h
+++ b/exml/Node.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_NODE_H__
-#define __ETK_XML_NODE_H__
+#pragma once
 
 #include <memory>
 #include <etk/types.h>
@@ -328,7 +326,4 @@ namespace exml {
 			 */
 			virtual void clear();
 	};
-};
-
-#endif
-
+}
diff --git a/exml/Text.h b/exml/Text.h
index baf7afd..51ebf7b 100644
--- a/exml/Text.h
+++ b/exml/Text.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_TEXT_H__
-#define __ETK_XML_TEXT_H__
+#pragma once
 
 #include <exml/Node.h>
 #include <vector>
@@ -65,8 +63,5 @@ namespace exml {
 			virtual bool iParse(const std::string& _data, int32_t& _pos, bool _caseSensitive, exml::filePos& _filePos, exml::Document& _doc);
 			virtual bool iGenerate(std::string& _data, int32_t _indent) const;
 	};
-};
-
-
-#endif
+}
 
diff --git a/exml/debug.h b/exml/debug.h
index 4ba1e70..d23947a 100644
--- a/exml/debug.h
+++ b/exml/debug.h
@@ -5,9 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __EXML_DEBUG_H__
-#define __EXML_DEBUG_H__
+#pragma once
 
 #include <etk/log.h>
 
@@ -39,5 +37,4 @@ namespace exml {
 		} \
 	} while (0)
 
-#endif
 
diff --git a/exml/exml.h b/exml/exml.h
index 867d206..e27a30c 100644
--- a/exml/exml.h
+++ b/exml/exml.h
@@ -5,12 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-#ifndef __ETK_XML_H__
-#define __ETK_XML_H__
+#pragma once
 
 #include <exml/Document.h>
 
-
-#endif
-
diff --git a/test/exmlTestAll.h b/test/exmlTestAll.h
index cb27652..81d0fee 100644
--- a/test/exmlTestAll.h
+++ b/test/exmlTestAll.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_ALL_H__
-#define __EXML_TEST_ALL_H__
+#pragma once
 
 #include "exmlTestCommon.h"
 #include <gtest/gtest.h>
@@ -42,4 +39,3 @@ TEST(TestAll, testError) {
 }
 
 
-#endif
\ No newline at end of file
diff --git a/test/exmlTestAttribute.h b/test/exmlTestAttribute.h
index dc583f0..027c19e 100644
--- a/test/exmlTestAttribute.h
+++ b/test/exmlTestAttribute.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_ATTRIBUTE_H__
-#define __EXML_TEST_ATTRIBUTE_H__
+#pragma once
 
 #include "exmlTestCommon.h"
 #include <gtest/gtest.h>
@@ -59,5 +56,3 @@ TEST(TestAttribute, testEmptyAttributeNoQuote) {
 	              "<elementtt attr=/>\n",
 	              -1);
 }
-
-#endif
diff --git a/test/exmlTestComment.h b/test/exmlTestComment.h
index 4ffe789..39e9235 100644
--- a/test/exmlTestComment.h
+++ b/test/exmlTestComment.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_COMMENT_H__
-#define __EXML_TEST_COMMENT_H__
+#pragma once
 
 #include "exmlTestCommon.h"
 #include <gtest/gtest.h>
@@ -40,5 +37,3 @@ TEST(TestComment, testAll) {
 	              "<!-- <.:!*%^$0945-	'(-	&<<< >>>	'&	(	'(	'-' <elementPouris>	-->\n",
 	              -1);
 }
-
-#endif
diff --git a/test/exmlTestCommon.h b/test/exmlTestCommon.h
index b27a757..59e2a74 100644
--- a/test/exmlTestCommon.h
+++ b/test/exmlTestCommon.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_COMMON_H__
-#define __EXML_TEST_COMMON_H__
+#pragma once
 
 #include <etk/types.h>
 #include <test-debug/debug.h>
@@ -41,4 +38,3 @@ static void exmlLocalTest(const std::string& _ref, const std::string& _input, in
 	}
 }
 
-#endif
\ No newline at end of file
diff --git a/test/exmlTestDeclaration.h b/test/exmlTestDeclaration.h
index 5a3b3d8..33204de 100644
--- a/test/exmlTestDeclaration.h
+++ b/test/exmlTestDeclaration.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_DECLARATION_H__
-#define __EXML_TEST_DECLARATION_H__
+#pragma once
 
 #include "exmlTestCommon.h"
 #include <gtest/gtest.h>
@@ -39,4 +36,3 @@ TEST(TestDeclaration, testAll) {
 	exmlLocalTest("<?xml attr=\"p65421lop\"?>\n", "<?xml attr    \n  =   \n\t p65421lop?>\n", -1);
 }
 
-#endif
diff --git a/test/exmlTestElement.h b/test/exmlTestElement.h
index 3fcea66..c286ac8 100644
--- a/test/exmlTestElement.h
+++ b/test/exmlTestElement.h
@@ -5,10 +5,7 @@
  * 
  * @license APACHE v2.0 (see license file)
  */
-
-
-#ifndef __EXML_TEST_ELEMENT_H__
-#define __EXML_TEST_ELEMENT_H__
+#pragma once
 
 #include "exmlTestCommon.h"
 #include <gtest/gtest.h>
@@ -57,4 +54,3 @@ TEST(TestElement, testBase3) {
 	exmlLocalTest("<exemple/>\n", "<exemple>\n</exemple sdfgsdfg>\n", 1);
 }
 
-#endif