diff --git a/include/assimp/matrix4x4.inl b/include/assimp/matrix4x4.inl
index e2f370c11..56f7296e5 100644
--- a/include/assimp/matrix4x4.inl
+++ b/include/assimp/matrix4x4.inl
@@ -546,10 +546,6 @@ aiMatrix4x4t<TReal>& aiMatrix4x4t<TReal>::FromEulerAnglesXYZ(TReal x, TReal y, T
 template <typename TReal>
 AI_FORCE_INLINE
 bool aiMatrix4x4t<TReal>::IsIdentity(const TReal epsilon) const {
-    // Use a small epsilon to solve floating-point inaccuracies
-    // Default value for backward compatibility with legacy code:
-    // const static TReal epsilon = 10e-3f;
-
     return (a2 <= epsilon && a2 >= -epsilon &&
             a3 <= epsilon && a3 >= -epsilon &&
             a4 <= epsilon && a4 >= -epsilon &&