diff --git a/doc/source/_static/logo-original.png b/doc/source/_static/logo-original.png
deleted file mode 100644
index c179951..0000000
--- a/doc/source/_static/logo-original.png
+++ /dev/null
diff --git a/doc/source/_static/logo.png b/doc/source/_static/logo.png
index d2b041b..c179951 100644
--- a/doc/source/_static/logo.png
+++ b/doc/source/_static/logo.png
diff --git a/doc/source/gammalib-logo.jpg b/doc/source/gammalib-logo.jpg
index e61b640..3538e57 100644
--- a/doc/source/gammalib-logo.jpg
+++ b/doc/source/gammalib-logo.jpg