diff --git a/data/stream.sdp b/data/stream.sdp
deleted file mode 100644
index 93be321..0000000
--- a/data/stream.sdp
+++ /dev/null
@@ -1,9 +0,0 @@
-v=0
-o=- 0 0 IN IP4 141.168.225.91
-s=No Name
-c=IN IP4 141.168.225.91
-t=0 0
-a=tool:libavformat 58.29.100
-m=audio 5002 RTP/AVP 97
-b=AS:800
-a=rtpmap:97 PCMU/32000/2
diff --git a/utilities/play.sh b/utilities/play.sh
deleted file mode 100755
index 3042cc2..0000000
--- a/utilities/play.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#! /bin/bash
-
-O="${1:=-}"
-sox -t raw -r 32000 -b 16 -c 2 -L -e signed-integer $O -d
\ No newline at end of file
diff --git a/utilities/record.sh b/utilities/record.sh
deleted file mode 100755
index 276754f..0000000
--- a/utilities/record.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#! /bin/bash
-
-sox -t raw -r 50000 -b 16 -c 2 -L -e signed-integer - out.wav
\ No newline at end of file
diff --git a/utilities/stream.sh b/utilities/stream.sh
deleted file mode 100755
index 946f393..0000000
--- a/utilities/stream.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#! /bin/bash
-
-#rtl_sdr -f 105.5M -s 1M - | ./fm1s.py | ffmpeg -f s16le -ar 50k -ac 2 -i - -f rtp rtp://localhost:1234
-./demo.py | ./fm1s_int16.py | ffmpeg -f s16le -ar 50k -ac 2 -i - -f rtp rtp://localhost:1234