diff --git a/8086_sim/listing_0043_immediate_movs b/8086_sim/listing_0043_immediate_movs
deleted file mode 100644
index a965538..0000000
Binary files a/8086_sim/listing_0043_immediate_movs and /dev/null differ
diff --git a/8086_sim/listing_0044_register_movs b/8086_sim/listing_0044_register_movs
deleted file mode 100644
index 346ff45..0000000
Binary files a/8086_sim/listing_0044_register_movs and /dev/null differ
diff --git a/8086_sim/listing_0045_challenge_register_movs b/8086_sim/listing_0045_challenge_register_movs
deleted file mode 100644
index 40bf309..0000000
--- a/8086_sim/listing_0045_challenge_register_movs
+++ /dev/null
@@ -1 +0,0 @@
-¸""»DD¹ffºˆˆŽÐŽÛŽÁ
\ No newline at end of file