diff --git a/ffconv b/ffconv
deleted file mode 100755
index 4303bd8..0000000
--- a/ffconv
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/dash
-#ffconv -  Batch convert from one format to another
-echo Convert from...
-read ext
-echo Convert to...
-read toext
-
-for i in *.$ext; do ffmpeg -i "$i" "${i%.*}.$toext"; done
-
-while true; do
-	read -p "Delete original files? " yn
-	case $yn in
-		[Yy]* ) rm *.$ext; exit;;
-		[Nn]* ) exit;;
-		* ) printf "Please answer yes or no. ";;
-	esac
-done
diff --git a/mkv-cat b/mkv-cat
index 926f1ed..b8cc8b3 100755
--- a/mkv-cat
+++ b/mkv-cat
@@ -1,4 +1,5 @@
 #!/bin/dash
 #Concatenate mkvs
 for f in ./*.mkv; do echo "file '$f'" >> list.txt; done
-ffmpeg -f concat -safe 0 -i list.txt -c copy output.mkv
+&& ffmpeg -f concat -safe 0 -i list.txt -c copy output.mkv
+&& rm list.txt