diff --git a/scons/gallium.py b/scons/gallium.py
index 963834a..99dcbf8 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -308,7 +308,7 @@ def generate(env):
     if env.GetOption('num_jobs') <= 1:
         env.SetOption('num_jobs', num_jobs())
 
-    env.Decider('MD5-timestamp')
+    # env.Decider('MD5-timestamp')
     env.SetOption('max_drift', 60)
 
     # C preprocessor options