diff --git a/numba/npyufunc/parfor.py b/numba/npyufunc/parfor.py
index e13b5c07028..110a8552c35 100644
--- a/numba/npyufunc/parfor.py
+++ b/numba/npyufunc/parfor.py
@@ -101,6 +101,7 @@ def _lower_parfor_parallel(lowerer, parfor):
     # init reduction array allocation here.
     nredvars = len(parfor_redvars)
     redarrs = {}
+    redtoset_dels = []
     if nredvars > 0:
         # reduction arrays outer dimension equal to thread count
         thread_count = get_thread_count()
@@ -114,7 +115,7 @@ def _lower_parfor_parallel(lowerer, parfor):
             redarrvar_typ = redtyp_to_redarraytype(redvar_typ)
             reddtype = redarrvar_typ.dtype
             if config.DEBUG_ARRAY_OPT:
-                print("redvar_typ", redvar_typ, redarrvar_typ, reddtype, types.DType(reddtype))
+                print("redvar_typ", redvar, redvar_typ, redarrvar_typ, reddtype, types.DType(reddtype))
 
             # If this is reduction over an array,
             # the reduction array has just one added per-worker dimension.
@@ -204,6 +205,7 @@ def _lower_parfor_parallel(lowerer, parfor):
                     full_call = ir.Expr.call(full_func, [redshape_var, init_val_var], {}, loc=loc)
                     lowerer.fndesc.calltypes[full_call] = full_sig
                     redtoset = ir.Var(scope, mk_unique_var("redtoset"), loc)
+                    redtoset_dels.append(redtoset)
                     redtoset_assign = ir.Assign(full_call, redtoset, loc)
                     typemap[redtoset.name] = redvar_typ
                     lowerer.lower_inst(redtoset_assign)
@@ -395,6 +397,7 @@ def _lower_parfor_parallel(lowerer, parfor):
                             # Add calltype back in for the expr with updated signature.
                             lowerer.fndesc.calltypes[rhs] = ct
                     lowerer.lower_inst(inst)
+
                     if isinstance(inst, ir.Assign) and name == inst.target.name:
                         break
 
@@ -418,10 +421,20 @@ def _lower_parfor_parallel(lowerer, parfor):
                         print("res_print2", res_print)
                         lowerer.lower_inst(res_print)
 
+                lowerer.lower_inst(ir.Del(oneelem.name, loc=loc))
+                lowerer.lower_inst(ir.Del(init_var.name, loc=loc))
+
+        for i in range(nredvars):
+            name = parfor_redvars[i]
+            for inst in parfor_reddict[name][1][:-1]:
+                if isinstance(typemap[inst.target.name], types.npytypes.Array):
+                    lowerer.lower_inst(ir.Del(inst.target.name, loc=loc))
 
         # Cleanup reduction variable
         for v in redarrs.values():
             lowerer.lower_inst(ir.Del(v.name, loc=loc))
+        for v in redtoset_dels:
+            lowerer.lower_inst(ir.Del(v.name, loc=loc))
     # Restore the original typemap of the function that was replaced temporarily at the
     # Beginning of this function.
     lowerer.fndesc.typemap = orig_typemap