diff --git a/loopy/codegen/__init__.py b/loopy/codegen/__init__.py
index 57bf4c6a8aa31c3c5aad3be3b34ccbab7caa9b37..4d847612bc517056a8d3ab4ef25437d7348bb321 100644
--- a/loopy/codegen/__init__.py
+++ b/loopy/codegen/__init__.py
@@ -513,7 +513,7 @@ def generate_code_v2(kernel):
                                _DataObliviousInstruction)):
             pass
         else:
-            raise NotImplementedError("register_knl not made for %s type of"
+            raise NotImplementedError("register_knl not made for %s type of "
                     "instruciton" % (str(type(insn))))
 
     # }}}
diff --git a/loopy/codegen/auxiliary_kernels.py b/loopy/codegen/auxiliary_kernels.py
index 799ab59bf5e78fcac58bb71e6e9b61ffc7aa4b22..6c4166bd39e3cac76fc5fde3453d7bc3550ea9e2 100644
--- a/loopy/codegen/auxiliary_kernels.py
+++ b/loopy/codegen/auxiliary_kernels.py
@@ -153,7 +153,7 @@ def generate_auxiliary_kernel_device_code(kernel, target):
                                _DataObliviousInstruction)):
             pass
         else:
-            raise NotImplementedError("register_knl not made for %s type of"
+            raise NotImplementedError("register_knl not made for %s type of "
                     "instruciton" % (str(type(insn))))
 
     # }}}
diff --git a/loopy/kernel/__init__.py b/loopy/kernel/__init__.py
index 25737786cdf2fb4fdda115a22c5e644bfabbebe6..b87e55ca99996a4bdd799373c8e142d7f8414501 100644
--- a/loopy/kernel/__init__.py
+++ b/loopy/kernel/__init__.py
@@ -143,7 +143,6 @@ class LoopKernel(ImmutableRecordWithoutPickling):
         to instances of :class:`loopy.kernel.data.IndexTag`.
 
     .. attribute:: function_manglers
-    .. attribute:: function_identifiers
     .. attribute:: symbol_manglers
 
     .. attribute:: substitutions
@@ -201,7 +200,6 @@ class LoopKernel(ImmutableRecordWithoutPickling):
                 default_function_mangler,
                 single_arg_function_mangler,
                 ],
-            function_identifiers=set(),
             scoped_functions={},
             symbol_manglers=[],
 
@@ -268,10 +266,6 @@ class LoopKernel(ImmutableRecordWithoutPickling):
         assert all(dom.get_ctx() == isl.DEFAULT_CONTEXT for dom in domains)
         assert assumptions.get_ctx() == isl.DEFAULT_CONTEXT
 
-        # Populating the function identifiers based on the target and the default
-        # function identifiers
-        function_identifiers = target.get_device_ast_builder().function_identifiers()
-
         ImmutableRecordWithoutPickling.__init__(self,
                 domains=domains,
                 instructions=instructions,
@@ -291,7 +285,6 @@ class LoopKernel(ImmutableRecordWithoutPickling):
                 cache_manager=cache_manager,
                 applied_iname_rewrites=applied_iname_rewrites,
                 function_manglers=function_manglers,
-                function_identifiers=function_identifiers,
                 scoped_functions=scoped_functions,
                 symbol_manglers=symbol_manglers,
                 index_dtype=index_dtype,
@@ -350,6 +343,14 @@ class LoopKernel(ImmutableRecordWithoutPickling):
 
     # }}}
 
+    # {{{ target function identifiers
+
+    @property
+    def function_identifiers(self):
+        return self.target.get_device_ast_builder().function_identifiers()
+
+    # }}}
+
     # {{{ symbol mangling
 
     def mangle_symbol(self, ast_builder, identifier):
diff --git a/loopy/kernel/creation.py b/loopy/kernel/creation.py
index b8100f3ab05fd0fd5579160bcd0fbf6e9bca18f0..b97639c910f26b1390314c7364643de87ef9889d 100644
--- a/loopy/kernel/creation.py
+++ b/loopy/kernel/creation.py
@@ -1974,7 +1974,7 @@ class ScopedFunctionCollector(CombineMapper):
 
 
 def scope_functions(kernel):
-    func_ids = kernel.function_identifiers.copy()
+    func_ids = kernel.function_identifiers
 
     from loopy.kernel.instruction import CInstruction, _DataObliviousInstruction
     function_scoper = FunctionScoper(func_ids)
diff --git a/loopy/library/random123.py b/loopy/library/random123.py
index b28d11ba6f9948094a966eddae6c521dc0565121..5cc3dd9ce9d3befc2ccbb5112e549a4d40124093 100644
--- a/loopy/library/random123.py
+++ b/loopy/library/random123.py
@@ -225,6 +225,7 @@ def random123_function_mangler(kernel, name, arg_dtypes):
 
 
 def random123_with_types(in_knl_callable, arg_id_to_dtype, target):
+    # FIXME: Translate the mangler to this.
     name = in_knl_callable.name
 
     if name not in FUNC_NAMES_TO_RNG: