diff --git a/tutorial_data/pictures/sun/cat.png b/tutorial_data/pictures/sun/cat.png deleted file mode 100644 index 9a53ca2ca174d083bec27cb7be1c47fd3db2059b..0000000000000000000000000000000000000000 Binary files a/tutorial_data/pictures/sun/cat.png and /dev/null differ