Remove deprecated lists:flat_length/1

Remove lists:flat_length/1 which has never been documented or
supported. It has been deprecated since R13A.

2 files changed, 2 insertions, 11 deletions

diff --git a/lib/stdlib/src/lists.erl b/lib/stdlib/src/lists.erl
index e1f8d1c200..ff2aac4a5c 100644
--- a/lib/stdlib/src/lists.erl
+++ b/lib/stdlib/src/lists.erl
@@ -25,7 +25,7 @@
 	 unzip/1, unzip3/1, zip/2, zip3/3, zipwith/3, zipwith3/4,
 	 sort/1, merge/1, merge/2, rmerge/2, merge3/3, rmerge3/3,
 	 usort/1, umerge/1, umerge3/3, umerge/2, rumerge3/3, rumerge/2,
-	 concat/1, flatten/1, flatten/2, flat_length/1, flatlength/1,
+	 concat/1, flatten/1, flatten/2, flatlength/1,
 	 keydelete/3, keyreplace/4, keytake/3, keystore/4,
 	 keysort/2, keymerge/3, rkeymerge/3, rukeymerge/3, 
 	 ukeysort/2, ukeymerge/3, keymap/3]).
@@ -40,8 +40,6 @@
 	 mapfoldl/3,mapfoldr/3,foreach/2,takewhile/2,dropwhile/2,splitwith/2,
 	 split/2]).
 
--deprecated([flat_length/1]).
-
 %% member(X, L) -> (true | false)
 %%  test if X is a member of the list L
 %%  Now a BIF!
@@ -436,13 +434,6 @@ do_flatten([H|T], Tail) ->
 do_flatten([], Tail) ->
     Tail.
 
-%% flat_length(List) (undocumented can be removed later)
-%%  Calculate the length of a list of lists.
-
--spec flat_length([_]) -> non_neg_integer().
-
-flat_length(List) -> flatlength(List).
-
 %% flatlength(List)
 %%  Calculate the length of a list of lists.
 
diff --git a/lib/stdlib/src/otp_internal.erl b/lib/stdlib/src/otp_internal.erl
index 7ea7de8d58..121334ddf8 100644
--- a/lib/stdlib/src/otp_internal.erl
+++ b/lib/stdlib/src/otp_internal.erl
@@ -322,7 +322,7 @@ obsolete_1(regexp, _, _) ->
     {deprecated, "the regexp module is deprecated (will be removed in R15A); use the re module instead"};
 
 obsolete_1(lists, flat_length, 1) ->
-    {deprecated,{lists,flatlength,1},"R14"};
+    {removed,{lists,flatlength,1},"R14"};
 
 obsolete_1(ssh_sftp, connect, A) when 1 =< A, A =< 3 ->
     {deprecated,{ssh_sftp,start_channel,A},"R14B"};