diff --git a/Doc/icons/blueball.gif b/Doc/icons/blueball.gif deleted file mode 100644 index 545d5ce9eaf..00000000000 Binary files a/Doc/icons/blueball.gif and /dev/null differ diff --git a/Doc/icons/greenball.gif b/Doc/icons/greenball.gif deleted file mode 100644 index 1017f8314f7..00000000000 Binary files a/Doc/icons/greenball.gif and /dev/null differ diff --git a/Doc/icons/orangeball.gif b/Doc/icons/orangeball.gif deleted file mode 100644 index 03d64227e60..00000000000 Binary files a/Doc/icons/orangeball.gif and /dev/null differ diff --git a/Doc/icons/pinkball.gif b/Doc/icons/pinkball.gif deleted file mode 100644 index 0e7aa81166a..00000000000 Binary files a/Doc/icons/pinkball.gif and /dev/null differ diff --git a/Doc/icons/purpleball.gif b/Doc/icons/purpleball.gif deleted file mode 100644 index e327920b5ed..00000000000 Binary files a/Doc/icons/purpleball.gif and /dev/null differ diff --git a/Doc/icons/redball.gif b/Doc/icons/redball.gif deleted file mode 100644 index aa394e0b4a7..00000000000 Binary files a/Doc/icons/redball.gif and /dev/null differ diff --git a/Doc/icons/whiteball.gif b/Doc/icons/whiteball.gif deleted file mode 100644 index 168ea761f24..00000000000 Binary files a/Doc/icons/whiteball.gif and /dev/null differ diff --git a/Doc/icons/yellowball.gif b/Doc/icons/yellowball.gif deleted file mode 100644 index a360cd41d70..00000000000 Binary files a/Doc/icons/yellowball.gif and /dev/null differ