diff --git a/pkgs/by-name/ka/kanidm/package.nix b/pkgs/by-name/ka/kanidm/package.nix
index de9694227fcd..855bd8a12526 100644
--- a/pkgs/by-name/ka/kanidm/package.nix
+++ b/pkgs/by-name/ka/kanidm/package.nix
@@ -71,6 +71,9 @@ rustPlatform.buildRustPackage rec {
     cp -r server/web_ui/pkg $out/ui
   '';
 
+  # Otherwise build breaks on some unused code
+  env.RUSTFLAGS = "-A dead_code";
+
   # Not sure what pathological case it hits when compiling tests with LTO,
   # but disabling it takes the total `cargo check` time from 40 minutes to
   # around 5 on a 16-core machine.
diff --git a/pkgs/development/libraries/appstream/qt.nix b/pkgs/development/libraries/appstream/qt.nix
index 1916774b8cfc..4699c7ce934e 100644
--- a/pkgs/development/libraries/appstream/qt.nix
+++ b/pkgs/development/libraries/appstream/qt.nix
@@ -24,9 +24,13 @@ stdenv.mkDerivation {
 
   dontWrapQtApps = true;
 
+  # AppStreamQt tries to be relocatable, in hacky cmake ways that generally fail
+  # horribly on NixOS. Just hardcode the paths.
   postFixup = ''
     sed -i "$dev/lib/cmake/AppStreamQt${qtSuffix}/AppStreamQt${qtSuffix}Config.cmake" \
       -e "/INTERFACE_INCLUDE_DIRECTORIES/ s@\''${PACKAGE_PREFIX_DIR}@$dev@"
+    sed -i "$dev/lib/cmake/AppStreamQt${qtSuffix}/AppStreamQt${qtSuffix}Config.cmake" \
+      -e "/IMPORTED_LOCATION/ s@\''${PACKAGE_PREFIX_DIR}@$out@"
   '';
 
   passthru = appstream.passthru // {
diff --git a/pkgs/kde/frameworks/kimageformats/default.nix b/pkgs/kde/frameworks/kimageformats/default.nix
index 21c84cb56992..e15c863003a8 100644
--- a/pkgs/kde/frameworks/kimageformats/default.nix
+++ b/pkgs/kde/frameworks/kimageformats/default.nix
@@ -4,6 +4,9 @@
   libheif,
   libjxl,
   libavif,
+  dav1d,
+  libaom,
+  libyuv,
   libraw,
   openexr_3,
 }:
@@ -12,5 +15,5 @@ mkKdeDerivation {
 
   extraCmakeFlags = ["-DKIMAGEFORMATS_HEIF=1"];
   extraNativeBuildInputs = [pkg-config];
-  extraBuildInputs = [libheif libjxl libavif libraw openexr_3];
+  extraBuildInputs = [libheif libjxl libavif dav1d libaom libyuv libraw openexr_3];
 }
diff --git a/pkgs/servers/bazarr/default.nix b/pkgs/servers/bazarr/default.nix
index e30beee899ef..daa8f55e87cb 100644
--- a/pkgs/servers/bazarr/default.nix
+++ b/pkgs/servers/bazarr/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, lib, fetchurl, makeWrapper, unzip, python3, unar, ffmpeg, nixosTests }:
+{ stdenv, lib, fetchurl, makeWrapper, unzip, python3, libarchive, ffmpeg, nixosTests }:
 
 let
   runtimeProgDeps = [
     ffmpeg
-    unar
+    libarchive
   ];
 in
 stdenv.mkDerivation rec {