diff --git a/modules/objdetect/test/test_arucodetection.cpp b/modules/objdetect/test/test_arucodetection.cpp
index aee147c58f..5d20cd4fd3 100644
--- a/modules/objdetect/test/test_arucodetection.cpp
+++ b/modules/objdetect/test/test_arucodetection.cpp
@@ -247,7 +247,7 @@ void CV_ArucoDetectionPerspective::run(int) {
     aruco::ArucoDetector detector(aruco::getPredefinedDictionary(aruco::DICT_6X6_250), params);
 
     // detect from different positions
-    for(double distance = 0.1; distance < 0.7; distance += 0.2) {
+    for(double distance : {0.1, 0.3, 0.5, 0.7}) {
         for(int pitch = 0; pitch < 360; pitch += (distance == 0.1? 60:180)) {
             for(int yaw = 70; yaw <= 120; yaw += 40){
                 int currentId = iter % 250;
diff --git a/modules/objdetect/test/test_boarddetection.cpp b/modules/objdetect/test/test_boarddetection.cpp
index d3859920fc..ed940069fb 100644
--- a/modules/objdetect/test/test_boarddetection.cpp
+++ b/modules/objdetect/test/test_boarddetection.cpp
@@ -51,7 +51,7 @@ void CV_ArucoBoardPose::run(int) {
     aruco::DetectorParameters detectorParameters = detector.getDetectorParameters();
 
     // for different perspectives
-    for(double distance = 0.2; distance <= 0.4; distance += 0.15) {
+    for(double distance : {0.2, 0.35}) {
         for(int yaw = -55; yaw <= 50; yaw += 25) {
             for(int pitch = -55; pitch <= 50; pitch += 25) {
                 vector<int> tmpIds;
@@ -162,7 +162,7 @@ void CV_ArucoRefine::run(int) {
     aruco::DetectorParameters detectorParameters = detector.getDetectorParameters();
 
     // for different perspectives
-    for(double distance = 0.2; distance <= 0.4; distance += 0.2) {
+    for(double distance : {0.2, 0.4}) {
         for(int yaw = -60; yaw < 60; yaw += 30) {
             for(int pitch = -60; pitch <= 60; pitch += 30) {
                 aruco::GridBoard gridboard(Size(3, 3), 0.02f, 0.005f, detector.getDictionary());
diff --git a/modules/objdetect/test/test_charucodetection.cpp b/modules/objdetect/test/test_charucodetection.cpp
index ef044c893b..63b28d8e5f 100644
--- a/modules/objdetect/test/test_charucodetection.cpp
+++ b/modules/objdetect/test/test_charucodetection.cpp
@@ -109,7 +109,7 @@ void CV_CharucoDetection::run(int) {
     Mat distCoeffs(5, 1, CV_64FC1, Scalar::all(0));
 
     // for different perspectives
-    for(double distance = 0.2; distance <= 0.4; distance += 0.2) {
+    for(double distance : {0.2, 0.4}) {
         for(int yaw = -55; yaw <= 50; yaw += 25) {
             for(int pitch = -55; pitch <= 50; pitch += 25) {
 
@@ -213,7 +213,7 @@ void CV_CharucoPoseEstimation::run(int) {
 
     Mat distCoeffs(5, 1, CV_64FC1, Scalar::all(0));
     // for different perspectives
-    for(double distance = 0.2; distance <= 0.3; distance += 0.1) {
+    for(double distance : {0.2, 0.25}) {
         for(int yaw = -55; yaw <= 50; yaw += 25) {
             for(int pitch = -55; pitch <= 50; pitch += 25) {
 
@@ -332,7 +332,7 @@ void CV_CharucoDiamondDetection::run(int) {
     detector.setCharucoParameters(charucoParameters);
 
     // for different perspectives
-    for(double distance = 0.2; distance <= 0.3; distance += 0.1) {
+    for(double distance : {0.2, 0.22}) {
         for(int yaw = -50; yaw <= 50; yaw += 25) {
             for(int pitch = -50; pitch <= 50; pitch += 25) {