diff --git a/_img/hardware-simulator.png b/_img/hardware-simulator.png
deleted file mode 100644
index 5760003..0000000
Binary files a/_img/hardware-simulator.png and /dev/null differ
diff --git a/_img/xor-addition-annotate.png b/_img/xor-addition-annotate.png
deleted file mode 100644
index 2d399a5..0000000
Binary files a/_img/xor-addition-annotate.png and /dev/null differ
diff --git a/_img/xor-addition-three.png b/_img/xor-addition-three.png
deleted file mode 100644
index 96d0c7d..0000000
Binary files a/_img/xor-addition-three.png and /dev/null differ
diff --git a/_img/xor-addition-two.png b/_img/xor-addition-two.png
deleted file mode 100644
index 905a3dc..0000000
Binary files a/_img/xor-addition-two.png and /dev/null differ