diff --git a/3rdparty/bgfx/3rdparty/tinyexr/tinyexr.h b/3rdparty/bgfx/3rdparty/tinyexr/tinyexr.h
index 4482b82602f..38ac53c66eb 100644
--- a/3rdparty/bgfx/3rdparty/tinyexr/tinyexr.h
+++ b/3rdparty/bgfx/3rdparty/tinyexr/tinyexr.h
@@ -7076,8 +7076,7 @@ static const char *ReadString(std::string *s, const char *ptr) {
 static bool ReadAttribute(std::string *name, std::string *type,
                           std::vector<unsigned char> *data, size_t *marker_size,
                           const char *marker, size_t size) {
-  using namespace bx;
-  size_t name_len = strnlen(marker, size);
+  size_t name_len = bx::strnlen(marker, size);
   if (name_len == size) {
     // String does not have a terminating character.
     return false;
@@ -7087,7 +7086,7 @@ static bool ReadAttribute(std::string *name, std::string *type,
   marker += name_len + 1;
   size -= name_len + 1;
 
-  size_t type_len = strnlen(marker, size);
+  size_t type_len = bx::strnlen(marker, size);
   if (type_len == size) {
     return false;
   }