diff --git a/_quarto.yml b/_quarto.yml
index 078e782..904e1df 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -9,9 +9,6 @@ website:
   reader-mode: false
   repo-url: https://github.com/quarto-dev/quarto-demo
   repo-actions: [edit, issue]
-  favicon: images/LMU_OSC_Book.png
-  margin-header: |
-    ![](/images/LMU-OSC_logo.jpg){width="175"}
   
   
   navbar:
@@ -95,7 +92,6 @@ format:
   html:
     theme:
       - cosmo
-      - custom.scss
     css: styles.css
     toc: true
 
diff --git a/custom.scss b/custom.scss
deleted file mode 100644
index 442fd2b..0000000
--- a/custom.scss
+++ /dev/null
@@ -1,5 +0,0 @@
-/*-- scss:defaults --*/
-// Base document colors
-$navbar-bg: #009933;
-$link-color: #006426;
-$sidebar-hl: #006426;
diff --git a/images/LMU-OSC_logo.jpg b/images/LMU-OSC_logo.jpg
deleted file mode 100644
index 9adce62..0000000
Binary files a/images/LMU-OSC_logo.jpg and /dev/null differ
diff --git a/images/LMU_OSC_Book.png b/images/LMU_OSC_Book.png
deleted file mode 100644
index aebdee0..0000000
Binary files a/images/LMU_OSC_Book.png and /dev/null differ