diff --git a/.gitignore b/.gitignore
index 8dffac4a..b56c6731 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,4 +21,5 @@ build
 /build*
 .prefix/
 .preview-config/
+.preview-data/
 preview.sh
diff --git a/HACKING.md b/HACKING.md
index 2854f596..20a28612 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -96,8 +96,7 @@ complete Plasma Mobile runtime so all QML imports resolve:
 sudo zypper install --no-confirm \
     plasma6-mobile plasma6-workspace plasma6-nano plasma6-nm plasma6-pa \
     layer-shell-qt6-imports kf6-bluez-qt-imports \
-    kf6-networkmanager-qt-imports \
-    breeze6-wallpapers plasma6-workspace-wallpapers
+  kf6-networkmanager-qt-imports
 ```
 
 ---