Remove dialyzer nowarn_unused_function workaround

The workaround (commit 57d5564f) was to dialyzer only understanding
nowarn_unused_function on individual functions. This is no longer the
case as of R15B01 (commit 477fd95a).

4 files changed, 4 insertions, 47 deletions

diff --git a/lib/diameter/src/compiler/diameter_codegen.erl b/lib/diameter/src/compiler/diameter_codegen.erl
index 1e31c40afe..80036879ea 100644
--- a/lib/diameter/src/compiler/diameter_codegen.erl
+++ b/lib/diameter/src/compiler/diameter_codegen.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -128,8 +128,8 @@ gen(hrl, Spec, Mod, Path) ->
 
 gen(erl, Spec, Mod, Path) ->
     Forms = [{?attribute, module, Mod},
-             {?attribute, compile, [{parse_transform, diameter_exprecs}]},
-             {?attribute, compile, [{parse_transform, diameter_nowarn}]},
+             {?attribute, compile, {parse_transform, diameter_exprecs}},
+             {?attribute, compile, nowarn_unused_function},
              {?attribute, export, [{name, 0},
                                    {id, 0},
                                    {vendor_id, 0},
diff --git a/lib/diameter/src/compiler/diameter_nowarn.erl b/lib/diameter/src/compiler/diameter_nowarn.erl
deleted file mode 100644
index 6c17af6563..0000000000
--- a/lib/diameter/src/compiler/diameter_nowarn.erl
+++ /dev/null
@@ -1,41 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% A parse transform to work around dialyzer currently not
-%% understanding nowarn_unused_function except on individual
-%% functions. The include of diameter_gen.hrl by generated dictionary
-%% modules contains code that may not be called depending on the
-%% dictionary. (The relay dictionary for example.)
-%%
-%% Even called functions may contain cases that aren't used for a
-%% particular dictionary. This also causes dialyzer to complain but
-%% there's no way to silence it in this case.
-%%
-
--module(diameter_nowarn).
-
--export([parse_transform/2]).
-
-parse_transform(Forms, _Options) ->
-    [{attribute, ?LINE, compile, {nowarn_unused_function, {F,A}}}
-     || {function, _, F, A, _} <- Forms]
-    ++ Forms.
-%% Note that dialyzer also doesn't understand {nowarn_unused_function, FAs}
-%% with FAs a list of tuples.
diff --git a/lib/diameter/src/modules.mk b/lib/diameter/src/modules.mk
index 2f3239e1aa..f8d3cf1d6f 100644
--- a/lib/diameter/src/modules.mk
+++ b/lib/diameter/src/modules.mk
@@ -70,7 +70,6 @@ CT_MODULES = \
 	base/diameter_info \
 	compiler/diameter_codegen \
 	compiler/diameter_exprecs \
-	compiler/diameter_nowarn \
 	compiler/diameter_dict_scanner \
 	compiler/diameter_dict_util \
 	compiler/diameter_make
diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl
index 53332af626..209f72adf1 100644
--- a/lib/diameter/test/diameter_app_SUITE.erl
+++ b/lib/diameter/test/diameter_app_SUITE.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2010-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2013. All Rights Reserved.
 %%
 %% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
@@ -48,7 +48,6 @@
                            diameter_dict_parser,
                            diameter_dict_util,
                            diameter_exprecs,
-                           diameter_nowarn,
                            diameter_make]).
 
 -define(HELP_MODULES, [diameter_dbg,