diff --git a/pyop2/codegen/rep2loopy.py b/pyop2/codegen/rep2loopy.py
index 916eb2f30..c083dd605 100644
--- a/pyop2/codegen/rep2loopy.py
+++ b/pyop2/codegen/rep2loopy.py
@@ -126,7 +126,7 @@ def generate_preambles(self, target):
         pass
 
     def with_types(self, arg_id_to_dtype, callables_table):
-        dtypes = OrderedDict()
+        dtypes = {}
         for i in range(len(arg_id_to_dtype)):
             if arg_id_to_dtype.get(i) is None:
                 # the types provided aren't mature enough to specialize the
@@ -416,7 +416,7 @@ def generate(builder, wrapper_name=None):
     parameters.layer_end = builder.layer_extents[1].name
     parameters.conditions = []
     parameters.kernel_data = list(None for _ in parameters.wrapper_arguments)
-    parameters.temporaries = OrderedDict()
+    parameters.temporaries = {}
     parameters.kernel_name = builder.kernel.name
 
     # replace Materialise
diff --git a/pyop2/op2.py b/pyop2/op2.py
index f4e9be0f9..98c09f727 100644
--- a/pyop2/op2.py
+++ b/pyop2/op2.py
@@ -56,7 +56,6 @@
 from pyop2.parloop import (GlobalLegacyArg, DatLegacyArg, MixedDatLegacyArg,  # noqa: F401
                            MatLegacyArg, MixedMatLegacyArg, LegacyParloop, ParLoop)
 
-import loopy
 
 __all__ = ['configuration', 'READ', 'WRITE', 'RW', 'INC', 'MIN', 'MAX',
            'ON_BOTTOM', 'ON_TOP', 'ON_INTERIOR_FACETS', 'ALL',
@@ -70,9 +69,6 @@
 
 _initialised = False
 
-# turn off loopy caching because pyop2 kernels are cached already
-loopy.set_caching_enabled(False)
-
 
 def initialised():
     """Check whether PyOP2 has been yet initialised but not yet finalised."""