diff --git a/draft-marchan-kdl2.md b/draft-marchan-kdl2.md
index d16295e..655e4c3 100644
--- a/draft-marchan-kdl2.md
+++ b/draft-marchan-kdl2.md
@@ -983,7 +983,7 @@ string-character :=
     [^\\"] - disallowed-literal-code-points
 ws-escape := '\\' (unicode-space | newline)+
 hex-digit := [0-9a-fA-F]
-hex-unicode := [\u{0}-\u{10FFFF}] - surrogate  // Unicode Scalar Value₁₆
+hex-unicode := [\u{0}-\u{10FFFF}] - surrogate  // Unicode Scalar Value₁₆, leading 0s allowed as long as length ≤ 6
 surrogate := [\u{D800}-\u{DFFF}]
 
 raw-string := '#' raw-string-quotes '#' | '#' raw-string '#'
diff --git a/tests/test_cases/input/unicode_escaped_noncanon_fail.kdl b/tests/test_cases/input/unicode_escaped_noncanon_fail.kdl
deleted file mode 100644
index 409fac7..0000000
--- a/tests/test_cases/input/unicode_escaped_noncanon_fail.kdl
+++ /dev/null
@@ -1 +0,0 @@
-no "Non-canonical format for Unicode Scalar Value with extra 0s: \u{00FFFF} instead of \u{FFFF}"