diff --git a/src/nvim/testdir/test_signs.vim b/src/nvim/testdir/test_signs.vim
index 3edb4b4ae0..ef4b227215 100644
--- a/src/nvim/testdir/test_signs.vim
+++ b/src/nvim/testdir/test_signs.vim
@@ -1157,6 +1157,7 @@ endfunc
 
 " Tests for memory allocation failures in sign functions
 func Test_sign_memfailures()
+  throw 'skipped: Nvim does not support test_alloc_fail()'
   call writefile(repeat(["Sun is shining"], 30), "Xsign")
   edit Xsign