diff --git a/include/find_object/QtOpenCV.h b/include/find_object/QtOpenCV.h
index 488b5015..3faacc0d 100644
--- a/include/find_object/QtOpenCV.h
+++ b/include/find_object/QtOpenCV.h
@@ -41,11 +41,13 @@ FINDOBJECT_EXP QImage cvtCvMat2QImage(const cv::Mat & image, bool isBgr = true);
 // Convert QImage to OpenCV matrix
 FINDOBJECT_EXP cv::Mat cvtQImage2CvMat(const QImage & image);
 
+#if CV_MAJOR_VERSION < 3
 // Convert IplImage to QImage
 FINDOBJECT_EXP QImage cvtIplImage2QImage(const IplImage * image);
 
 // Convert QImage to IplImage
 FINDOBJECT_EXP IplImage * cvtQImage2IplImage(const QImage & image);
+#endif
 
 } // namespace find_object
 
diff --git a/src/QtOpenCV.cpp b/src/QtOpenCV.cpp
index c07b22c7..e5bd205f 100644
--- a/src/QtOpenCV.cpp
+++ b/src/QtOpenCV.cpp
@@ -102,7 +102,7 @@ cv::Mat cvtQImage2CvMat(const QImage & image)
 	return cvImage;
 }
 
-
+#if CV_MAJOR_VERSION < 3
 QImage cvtIplImage2QImage(const IplImage * image)
 {
 	QImage qtemp;
@@ -154,5 +154,6 @@ IplImage * cvtQImage2IplImage(const QImage & image)
 	}
 	return iplTmp;
 }
+#endif
 
 } // namespace find_object