diff --git a/doc/manual/rl-next-dev/build-timing-analysis.md b/doc/manual/rl-next/build-timing-analysis.md
similarity index 59%
rename from doc/manual/rl-next-dev/build-timing-analysis.md
rename to doc/manual/rl-next/build-timing-analysis.md
index e59f3ca02..1bf803dab 100644
--- a/doc/manual/rl-next-dev/build-timing-analysis.md
+++ b/doc/manual/rl-next/build-timing-analysis.md
@@ -1,11 +1,13 @@
 ---
 synopsis: Clang build timing analysis
 cls: 587
+category: Development
 ---
 
 We now have Clang build profiling available, which generates Chrome
 tracing files for each compilation unit. To enable it, run `meson configure
-build -Dprofile-build=enabled` then rerun the compilation.
+build -Dprofile-build=enabled` in a Clang stdenv (`nix develop
+.#native-clangStdenvPackages`) then rerun the compilation.
 
 If you want to make the build go faster, do a clang build with meson, then run
 `maintainers/buildtime_report.sh build`, then contemplate how to improve the
@@ -13,3 +15,8 @@ build time.
 
 You can also look at individual object files' traces in
 <https://ui.perfetto.dev>.
+
+See [the wiki page][improving-build-times-wiki] for more details on how to do
+this.
+
+[improving-build-times-wiki]: https://wiki.lix.systems/link/8#bkmrk-page-title
diff --git a/flake.nix b/flake.nix
index 66b836f03..d0b674464 100644
--- a/flake.nix
+++ b/flake.nix
@@ -227,7 +227,6 @@
           in
           {
             user = rl-next-check "rl-next" ./doc/manual/rl-next;
-            dev = rl-next-check "rl-next-dev" ./doc/manual/rl-next-dev;
           }
         );
 
@@ -309,7 +308,6 @@
           perlBindings = self.hydraJobs.perlBindings.${system};
           nixpkgsLibTests = self.hydraJobs.tests.nixpkgsLibTests.${system};
           rl-next = self.hydraJobs.rl-next.${system}.user;
-          rl-next-dev = self.hydraJobs.rl-next.${system}.dev;
           # Will be empty attr set on i686-linux, and filtered out by forAvailableSystems.
           pre-commit = self.hydraJobs.pre-commit.${system};
         }
diff --git a/maintainers/build-release-notes.py b/maintainers/build-release-notes.py
index 45d5d6ff9..c8905cde0 100644
--- a/maintainers/build-release-notes.py
+++ b/maintainers/build-release-notes.py
@@ -1,6 +1,5 @@
 from collections import defaultdict
 import frontmatter
-import sys
 import pathlib
 import textwrap
 from typing import Any, Tuple
@@ -27,6 +26,7 @@ CATEGORIES = [
     'Improvements',
     'Fixes',
     'Packaging',
+    'Development',
     'Miscellany',
 ]
 
diff --git a/misc/pre-commit.nix b/misc/pre-commit.nix
index 4f54141b3..292940e83 100644
--- a/misc/pre-commit.nix
+++ b/misc/pre-commit.nix
@@ -63,7 +63,7 @@ pre-commit-run {
       files = ''^doc/manual/(change-authors\.yml|rl-next(-dev)?)'';
       pass_filenames = false;
       entry = ''
-        ${lib.getExe pkgs.build-release-notes} --change-authors doc/manual/change-authors.yml doc/manual/rl-next doc/manual/rl-next-dev
+        ${lib.getExe pkgs.build-release-notes} --change-authors doc/manual/change-authors.yml doc/manual/rl-next
       '';
     };
     change-authors-sorted = {