diff --git a/demos/gaze_estimation_demo/cpp/src/results_marker.cpp b/demos/gaze_estimation_demo/cpp/src/results_marker.cpp
index 8b63ce07ee8..c4566c89d02 100644
--- a/demos/gaze_estimation_demo/cpp/src/results_marker.cpp
+++ b/demos/gaze_estimation_demo/cpp/src/results_marker.cpp
@@ -2,11 +2,12 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
+#define _USE_MATH_DEFINES
+
 #include "results_marker.hpp"
 
-#define _USE_MATH_DEFINES
-#include <cctype>
 #include <cmath>
+#include <cctype>
 #include <vector>
 
 #include <opencv2/core.hpp>
diff --git a/demos/gesture_recognition_demo/cpp_gapi/src/utils.cpp b/demos/gesture_recognition_demo/cpp_gapi/src/utils.cpp
index 128c8958115..5262f18ff1a 100644
--- a/demos/gesture_recognition_demo/cpp_gapi/src/utils.cpp
+++ b/demos/gesture_recognition_demo/cpp_gapi/src/utils.cpp
@@ -16,8 +16,6 @@
 #include <ie_input_info.hpp>
 #include <ie_layouts.h>
 
-#define _USE_MATH_DEFINES
-
 cv::Scalar getNetShape(const std::string& path) {
     const auto network = InferenceEngine::Core{}.ReadNetwork(path);
     const auto layerData = network.getInputsInfo().begin()->second;
diff --git a/demos/gesture_recognition_demo/cpp_gapi/src/visualizer.cpp b/demos/gesture_recognition_demo/cpp_gapi/src/visualizer.cpp
index 4133c02571d..46d314c4fb8 100644
--- a/demos/gesture_recognition_demo/cpp_gapi/src/visualizer.cpp
+++ b/demos/gesture_recognition_demo/cpp_gapi/src/visualizer.cpp
@@ -2,8 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-#define _USE_MATH_DEFINES
-
 #include "visualizer.hpp"
 
 #include <algorithm>