diff --git a/GPy/util/caching.py b/GPy/util/caching.py
index 2899cb33..76d030ca 100644
--- a/GPy/util/caching.py
+++ b/GPy/util/caching.py
@@ -38,6 +38,9 @@ class Cacher(object):
         if not all([isinstance(arg, Observable) for arg in observable_args]):
             return self.operation(*args)
 
+        # TODO: WARNING !!! Cache OFFSWITCH !!! WARNING
+        return self.operation(*args)
+        
         #if the result is cached, return the cached computation
         state = [all(a is b for a, b in zip(args, cached_i)) for cached_i in self.cached_inputs]
         if any(state):