diff --git a/modules/core/include/opencv2/core/hal/intrin_wasm.hpp b/modules/core/include/opencv2/core/hal/intrin_wasm.hpp
index b4178af8b7..db3cb2a9ae 100644
--- a/modules/core/include/opencv2/core/hal/intrin_wasm.hpp
+++ b/modules/core/include/opencv2/core/hal/intrin_wasm.hpp
@@ -8,6 +8,7 @@
 #include <limits>
 #include <cstring>
 #include <algorithm>
+#include <emscripten/version.h>
 #include "opencv2/core/saturate.hpp"
 
 #define CV_SIMD128 1
diff --git a/modules/js/src/core_bindings.cpp b/modules/js/src/core_bindings.cpp
index 60fe496ce3..addee2de20 100644
--- a/modules/js/src/core_bindings.cpp
+++ b/modules/js/src/core_bindings.cpp
@@ -89,9 +89,11 @@ using namespace cv;
 
 using namespace cv::segmentation;  // FIXIT
 
+#ifdef HAVE_OPENCV_OBJDETECT
 using namespace cv::aruco;
 typedef aruco::DetectorParameters aruco_DetectorParameters;
 typedef QRCodeDetectorAruco::Params QRCodeDetectorAruco_Params;
+#endif
 
 #ifdef HAVE_OPENCV_DNN
 using namespace cv::dnn;