Arch Linux

Trying to upgrade with both gtk3 and lib32-gtk3 installed fails as follows:

error: failed to commit transaction (conflicting files)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-am-et.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-broadway.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-cedilla.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-cyrillic-translit.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-inuktitut.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-ipa.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-multipress.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-thai.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-ti-er.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-ti-et.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-viqr.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-wayland.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-waylandgtk.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/immodules/im-xim.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/printbackends/libprintbackend-cloudprint.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/printbackends/libprintbackend-cups.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/printbackends/libprintbackend-file.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/gtk-3.0/3.0.0/printbackends/libprintbackend-lpr.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgailutil-3.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgailutil-3.so.0 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgailutil-3.so.0.0.0 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgdk-3.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgdk-3.so.0 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgdk-3.so.0.2404.23 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgtk-3.so exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgtk-3.so.0 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/libgtk-3.so.0.2404.23 exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gail-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gdk-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gdk-broadway-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gdk-wayland-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gdk-x11-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gtk+-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gtk+-broadway-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gtk+-unix-print-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gtk+-wayland-3.0.pc exists in filesystem (owned by gtk3)
lib32-gtk3: /usr/lib/pkgconfig/gtk+-x11-3.0.pc exists in filesystem (owned by gtk3)
Errors occurred, no packages were upgraded.