diff --git a/cuburn/code/util.py b/cuburn/code/util.py
index 6405dbd..67f802d 100644
--- a/cuburn/code/util.py
+++ b/cuburn/code/util.py
@@ -86,7 +86,7 @@ def assemble_code(*libs):
     map(go, libs)
     return ''.join(sum(zip(*out), ()))
 
-DEFAULT_CMP_OPTIONS = ('-use_fast_math', '-maxrregcount', '42')
+DEFAULT_CMP_OPTIONS = ('-use_fast_math',)
 DEFAULT_SAVE_KERNEL = True
 def compile(name, src, opts=DEFAULT_CMP_OPTIONS, save=DEFAULT_SAVE_KERNEL,
             arch=None):