diff --git a/AK/Concepts.h b/AK/Concepts.h
index aaa1348cc7..f419990e2d 100644
--- a/AK/Concepts.h
+++ b/AK/Concepts.h
@@ -121,7 +121,9 @@ concept FallibleFunction = requires(Func&& func, Args&&... args) {
 // clang-format on
 }
 
-#if USING_AK_GLOBALLY
+#if !USING_AK_GLOBALLY
+namespace AK {
+#endif
 using AK::Concepts::Arithmetic;
 using AK::Concepts::ArrayLike;
 using AK::Concepts::Enum;
@@ -139,4 +141,6 @@ using AK::Concepts::Signed;
 using AK::Concepts::SpecializationOf;
 using AK::Concepts::Unsigned;
 using AK::Concepts::VoidFunction;
+#if !USING_AK_GLOBALLY
+}
 #endif
diff --git a/AK/StdLibExtraDetails.h b/AK/StdLibExtraDetails.h
index 68689d8c83..69c3669ada 100644
--- a/AK/StdLibExtraDetails.h
+++ b/AK/StdLibExtraDetails.h
@@ -615,7 +615,9 @@ inline constexpr bool IsOneOfIgnoringCV = (IsSameIgnoringCV<T, Ts> || ...);
 
 }
 
-#if USING_AK_GLOBALLY
+#if !USING_AK_GLOBALLY
+namespace AK {
+#endif
 using AK::Detail::AddConst;
 using AK::Detail::AddConstToReferencedType;
 using AK::Detail::AddLvalueReference;
@@ -685,4 +687,6 @@ using AK::Detail::RemoveVolatile;
 using AK::Detail::TrueType;
 using AK::Detail::UnderlyingType;
 using AK::Detail::Void;
+#if !USING_AK_GLOBALLY
+}
 #endif