diff --git a/examples/python/call-external.py b/examples/python/call-external.py
index c13d99bd06295096c26d6e113841c853f80645fc..37579fdd8d20c585b7e3db0af079605bb5f46e23 100644
--- a/examples/python/call-external.py
+++ b/examples/python/call-external.py
@@ -83,12 +83,6 @@ class BLASCallable(lp.ScalarCallable):
         yield("99_cblas", "#include <cblas.h>")
         return
 
-
-def blas_fn_lookup(target, identifier):
-    if identifier == 'gemv':
-        return BLASCallable(name='gemv')
-    return None
-
 # }}}
 
 
@@ -105,7 +99,6 @@ knl = lp.make_kernel(
         target=CTarget(),
         lang_version=(2018, 2))
 
-knl = lp.register_function_id_to_in_knl_callable_mapper(
-        knl, blas_fn_lookup)
+knl = lp.register_callable(knl, "gemv", BLASCallable(name="gemv"))
 
 print(lp.generate_code_v2(knl).device_code())
diff --git a/examples/python/global_barrier_removal.py b/examples/python/global_barrier_removal.py
index be22e268c85fe985a98763426faf8cfadf73c5fb..e09c0d2cb98063f759f6d181db85dfc7b11925ac 100644
--- a/examples/python/global_barrier_removal.py
+++ b/examples/python/global_barrier_removal.py
@@ -22,7 +22,9 @@ from loopy.preprocess import preprocess_kernel
 knl = preprocess_kernel(knl)
 
 from loopy.schedule import get_one_scheduled_kernel
-knl = get_one_scheduled_kernel(knl.root_kernel, knl.callables_table)
+knl = knl.with_kernel(get_one_scheduled_kernel(knl["loopy_kernel"],
+    knl.callables_table))
+
 
 # map schedule onto host or device
 print(knl)
diff --git a/examples/python/sparse.py b/examples/python/sparse.py
index 7791f41ba808b5fc822277096cf079a5fe6435b5..b4dd07df40007db16ab588c26dfefb4aadb4b7eb 100644
--- a/examples/python/sparse.py
+++ b/examples/python/sparse.py
@@ -11,9 +11,9 @@ k = lp.make_kernel([
         <> length = rowend - rowstart
         y[i] = sum(j, values[rowstart+j] * x[colindices[rowstart + j]])
     end
-    """)
+    """, name="spmv")
 
 k = lp.add_and_infer_dtypes(k, {
-    "values,x": np.float64, "rowstarts,colindices": k.root_kernel.index_dtype
+    "values,x": np.float64, "rowstarts,colindices": k["spmv"].index_dtype
     })
 print(lp.generate_code_v2(k).device_code())