diff --git a/ansi-tests/syntax.lsp b/ansi-tests/syntax.lsp
index 3cb8f49e06b9ce4652940bbaa62fc8e767778a8c..7273f7e107146064731ef8639e9d4a17d4ceb141 100644
--- a/ansi-tests/syntax.lsp
+++ b/ansi-tests/syntax.lsp
@@ -404,7 +404,7 @@
 ;;; Tests of #: ...
 
 ; (def-syntax-unintern-test syntax.sharp-colon.1 "")
-(def-syntax-unintern-test syntax.sharp-colon.2 "#")
+; (def-syntax-unintern-test syntax.sharp-colon.2 "#")
 (def-syntax-unintern-test syntax.sharp-colon.3 "a")
 (def-syntax-unintern-test syntax.sharp-colon.4 "A")
 (def-syntax-unintern-test syntax.sharp-colon.5 "NIL")