diff --git a/openbr/plugins/classification/dlib.cpp b/openbr/plugins/classification/dlib.cpp
index 3c95a5a..838af40 100644
--- a/openbr/plugins/classification/dlib.cpp
+++ b/openbr/plugins/classification/dlib.cpp
@@ -2,8 +2,6 @@
 #include <dlib/opencv.h>
 
 #include "openbr/plugins/openbr_internal.h"
-#include "openbr/core/qtutils.h"
-#include "openbr/core/eigenutils.h"
 
 #include <QTemporaryFile>
 
diff --git a/openbr/plugins/cluster/meanshift.cpp b/openbr/plugins/cluster/meanshift.cpp
index a0a77a0..6bd0324 100644
--- a/openbr/plugins/cluster/meanshift.cpp
+++ b/openbr/plugins/cluster/meanshift.cpp
@@ -84,7 +84,7 @@ private:
         pow(distance / bandwidth, 2, p);
         exp(-0.5 * p, e);
 
-        return (1.0 / (bandwidth * sqrt(2 * M_PI))) * e;
+        return (1.0 / (bandwidth * sqrt(2 * CV_PI))) * e;
     }
 
     QList<int> assignClusterID(const QList<Mat> &points)