diff --git a/src/common/utils/string.hpp b/src/common/utils/string.hpp
index 65f47fc2..a732217d 100644
--- a/src/common/utils/string.hpp
+++ b/src/common/utils/string.hpp
@@ -181,23 +181,4 @@ namespace utils::string
     {
         return std::ranges::equal(lhs, rhs, [](const auto c1, const auto c2) { return char_to_lower(c1) == char_to_lower(c2); });
     }
-
-    template <typename Integer, class Elem, class Traits>
-        requires(std::is_integral_v<Integer>)
-    Integer parse_number(const std::basic_string_view<Elem, Traits> str)
-    {
-        Integer result = 0;
-
-        for (const auto ch : str)
-        {
-            if (ch < u'0' || ch > u'9')
-            {
-                break;
-            }
-
-            result = result * 10 + static_cast<Integer>(ch - u'0');
-        }
-
-        return result;
-    }
 }
diff --git a/src/windows-emulator/process_context.cpp b/src/windows-emulator/process_context.cpp
index 13437983..534ed420 100644
--- a/src/windows-emulator/process_context.cpp
+++ b/src/windows-emulator/process_context.cpp
@@ -196,7 +196,7 @@ namespace
             if (value->name == "CurrentBuildNumber" || value->name == "CurrentBuild")
             {
                 const auto* s = reinterpret_cast<const char16_t*>(value->data.data());
-                return utils::string::parse_number<uint32_t>(std::u16string_view(s));
+                return static_cast<uint32_t>(std::strtoul(u16_to_u8(s).c_str(), nullptr, 10));
             }
         }