3 files changed, 3 insertions, 9 deletions
diff --git a/src/libpiano/crypt.h b/src/libpiano/crypt.h
index 890b8c1..30d2294 100644
--- a/src/libpiano/crypt.h
+++ b/src/libpiano/crypt.h
@@ -21,8 +21,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#ifndef SRC_LIBPIANO_CRYPT_H_O832IVGK
-#define SRC_LIBPIANO_CRYPT_H_O832IVGK
+#pragma once
 
 #include "piano.h"
 
@@ -34,4 +33,3 @@ char *PianoDecryptString (PianoCipher_t, const char * const,
 		size_t * const);
 char *PianoEncryptString (PianoCipher_t, const char *);
 
-#endif /* SRC_LIBPIANO_CRYPT_H_O832IVGK */
diff --git a/src/libpiano/piano.h b/src/libpiano/piano.h
index ca33626..2dbf607 100644
--- a/src/libpiano/piano.h
+++ b/src/libpiano/piano.h
@@ -21,8 +21,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#ifndef SRC_LIBPIANO_PIANO_H_MFBT13PN
-#define SRC_LIBPIANO_PIANO_H_MFBT13PN
+#pragma once
 
 #include "../config.h"
 
@@ -366,4 +365,3 @@ PianoStation_t *PianoFindStationById (PianoStation_t * const,
 		const char * const);
 const char *PianoErrorToStr (PianoReturn_t);
 
-#endif /* SRC_LIBPIANO_PIANO_H_MFBT13PN */
diff --git a/src/libpiano/piano_private.h b/src/libpiano/piano_private.h
index bc0cc0e..ffc14c8 100644
--- a/src/libpiano/piano_private.h
+++ b/src/libpiano/piano_private.h
@@ -21,12 +21,10 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
-#ifndef SRC_LIBPIANO_PIANO_PRIVATE_H_C35CDGGL
-#define SRC_LIBPIANO_PIANO_PRIVATE_H_C35CDGGL
+#pragma once
 
 #include "piano.h"
 
 void PianoDestroyStation (PianoStation_t *station);
 void PianoDestroyUserInfo (PianoUserInfo_t *user);
 
-#endif /* SRC_LIBPIANO_PIANO_PRIVATE_H_C35CDGGL */