diff --git a/src/FbTk/Layer.hh b/src/FbTk/Layer.hh
index 6f8f184a..536ce00b 100644
--- a/src/FbTk/Layer.hh
+++ b/src/FbTk/Layer.hh
@@ -20,8 +20,8 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-#ifndef FBTK_XLAYER_HH
-#define FBTK_XLAYER_HH
+#ifndef FBTK_LAYER_HH
+#define FBTK_LAYER_HH
 
 #include <vector>
 #include <list>
@@ -82,4 +82,4 @@ private:
 
 } // namespace FbTk
 
-#endif // FBTK_XLAYER_HH
+#endif // FBTK_LAYER_HH
diff --git a/src/FbTk/LayerItem.hh b/src/FbTk/LayerItem.hh
index 5d1035ed..a4cdd498 100644
--- a/src/FbTk/LayerItem.hh
+++ b/src/FbTk/LayerItem.hh
@@ -20,8 +20,8 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-#ifndef FBTK_XLAYERITEM_HH
-#define FBTK_XLAYERITEM_HH
+#ifndef FBTK_LAYERITEM_HH
+#define FBTK_LAYERITEM_HH
 
 #include "Layer.hh"
 #include "NotCopyable.hh"
@@ -76,4 +76,4 @@ private:
 
 }
 
-#endif // FBTK_XLAYERITEM_HH
+#endif // FBTK_LAYERITEM_HH