diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aceebe9b7..e9636e11e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1201,37 +1201,6 @@ jobs:
             adwaita-icon-theme:p
             librsvg:p
 
-      # glib 2.90.0 (in ucrt64 since 2026-09-09) and gtk4 4.24.0 (2026-09-11)
-      # moved GEmblem, GDBusActionGroup and GdkCursor over to
-      # G_DECLARE_FINAL_TYPE. That macro expands to
-      #
-      #     typedef struct { GObjectClass parent_class; } GEmblemClass;
-      #
-      # -- an *unnamed* struct -- while giomm and gdkmm still hand-write
-      # `using GEmblemClass = struct _GEmblemClass;'. Two system headers, two
-      # different types by the same name, and every translation unit that
-      # includes <gtkmm.h> dies on three `conflicting declaration' errors.
-      # Nothing we compile reaches it, and there is nothing to upgrade into:
-      # ucrt64's newest glibmm (2.86.0) and gtkmm-4.0 (4.20.0) both predate
-      # the change.
-      #
-      # So hold the last glib2 and gtk4 that agree with them. pacman -U after
-      # the install above, because pacboy would otherwise pull the new ones
-      # straight back in. Both downgrades are safe to mix with what stays
-      # current: gtkmm 4.20.0 and glibmm 2.86.0-4 were built long before
-      # either pinned version, and librsvg 2.63.0 -- the one package rebuilt
-      # the same hour glib 2.90 landed -- imports nothing that 2.88.3 does
-      # not export.
-      #
-      # Drop this step once ucrt64 ships a glibmm/gtkmm built against glib
-      # 2.90; the build will simply stop needing it.
-      - name: Hold glib2 and gtk4 where gtkmm still compiles
-        run: |
-          set -e
-          pacman -U --noconfirm \
-            https://repo.msys2.org/mingw/ucrt64/mingw-w64-ucrt-x86_64-glib2-2.88.3-1-any.pkg.tar.zst \
-            https://repo.msys2.org/mingw/ucrt64/mingw-w64-ucrt-x86_64-gtk4-4.22.4-1-any.pkg.tar.zst
-
       # cairo 1.18.6 (in ucrt64 since 2026-09-21) aborts the process shortly
       # after anything draws text. It moved the Direct2D factory that the
       # DirectWrite path needs into per-thread data, and that data is set up
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dfa7777e0..f4d1dcbd0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -326,18 +326,6 @@ jobs:
             adwaita-icon-theme:p
             librsvg:p
 
-      # The same pin the ci workflow carries, for the same reason: glib 2.90
-      # and gtk4 4.24 declare GEmblemClass, GDBusActionGroupClass and
-      # GdkCursorClass one way, ucrt64's giomm/gdkmm another, and <gtkmm.h>
-      # stops compiling. Hold the last pair that agrees with them, and take
-      # this out when the packages catch up.
-      - name: Hold glib2 and gtk4 where gtkmm still compiles
-        run: |
-          set -e
-          pacman -U --noconfirm \
-            https://repo.msys2.org/mingw/ucrt64/mingw-w64-ucrt-x86_64-glib2-2.88.3-1-any.pkg.tar.zst \
-            https://repo.msys2.org/mingw/ucrt64/mingw-w64-ucrt-x86_64-gtk4-4.22.4-1-any.pkg.tar.zst
-
       # RelWithDebInfo is already CMakeLists.txt's default. Spelled out
       # anyway, so that a release does not quietly change if that changes.
       - name: Build