diff --git a/.gitattributes b/.gitattributes
index ee7cbc1b1d5db042f64480e81f5db9217fa4bcda..ea1c0947c2256689b4f9c86ad634e268cb8f7d71 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,3 @@
*,ffb gitlab-language=bbcbasic linguist-language=bbcbasic linguist-detectable=true
c/** gitlab-language=c linguist-language=c linguist-detectable=true
-**/c/** gitlab-language=c linguist-language=c linguist-detectable=true
h/** gitlab-language=c linguist-language=c linguist-detectable=true
diff --git a/SetVolumes/c/setvolumes b/SetVolumes/c/setvolumes
deleted file mode 100644
index 318a60fb32d4b860107695ee0909c3cc6aeab05d..0000000000000000000000000000000000000000
--- a/SetVolumes/c/setvolumes
+++ /dev/null
@@ -1,144 +0,0 @@
-/* Copyright 1998 Acorn Computers Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*---------------------------------------------------------------------------*/
-/* File: c.setvolumes */
-/* Purpose: App to set the volume levels on the Codec, via SoundCtrl. */
-/* Volumes are stored in text file <Choices$Write>.Sound.Sound */
-/* Author: Richard Leggett */
-/* History: 05-Feb-98: RML: Begun. */
-/*---------------------------------------------------------------------------*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "swis.h"
-
-#define NumberOfChannels 8
-#define SoundCtrl_SetVolume 0x50002
-#define SoundCtrl_ChannelInfo 0x50004
-#define Flag_LeftMuted 1u<<0
-#define Flag_RightMuted 2u<<1
-#define ChoicesFile "<Choices$Write>.Sound.Sound"
-
-
-/* SndSetup numbers channels from 0 to NumberOfChannels. The toolbox ID of the slider
- gadget equals this channel number. However, SoundCtrl adopts different numbering, so
- the array channel_no maps between SndSetup and SoundCtrl's numbering. The array
- channel_name contains the name of each channel as specified in the Sound configuration
- file in <Choices$Write>.Sound. */
-
-static char *channel_name[NumberOfChannels] = { "Master", "System", "CD", "Line",
- "Mic", "Capture", "Playback", "Wavetable" };
-static int channel_no[NumberOfChannels] = { 0, 11, 2, 1,
- 5, 8, 12, 10 };
-static int min_volume[NumberOfChannels];
-
-
-/*---------------------------------------------------------------------------*
- * sound_set_volume *
- * *
- * Set the volume for a given channel. *
- * *
- * In: channel = channel whose volume we wish to change. This number is our *
- * internal number (between 0 and 7), rather than the channel *
- * number held by SoundCtrl. The channel_no array maps between *
- * the two. *
- * volume = volume, in db, times 10. *
- *---------------------------------------------------------------------------*/
-
-void sound_set_volume(int channel, int volume)
-{
- float db;
- int flags;
-
- /* If volume is minimum value, then mute instead */
- if (db == min_volume[channel]) flags = Flag_LeftMuted + Flag_RightMuted;
- else flags = 0;
-
- /* Convert a volume integer (db*10 eg. -125 means -12.5db) into 32bit with 16bit fraction */
- db = (1<<16) * ((float)volume) / 10;
-
- /* Set the volume */
- _swix(SoundCtrl_SetVolume, _INR(0,4), 0, channel_no[channel], 0, (int)db, (int)db);
-}
-
-
-/*---------------------------------------------------------------------------*
- * main *
- *---------------------------------------------------------------------------*/
-
-int main(void)
-{
- FILE *fp;
- char *item;
- char *value;
- char buffer[256];
- int n, colon, more=1;
- int min_i, max_i, step_i;
- float min_f, max_f, step_f;
-
- /* Read in min, max & volume settings for the channels */
- for (n=0; n<NumberOfChannels; n++)
- {
- /* Read the min, max and step of the volume for this channel */
- _swix(SoundCtrl_ChannelInfo, _INR(0,1)|_OUTR(4,6),
- 0, channel_no[n], &min_i, &max_i, &step_i);
-
- /* Convert the values we read back (32bit, 16bit for fraction) into floats */
- min_f = 10 * ((float)min_i) / (1<<16);
- max_f = 10 * ((float)max_i) / (1<<16);
- step_f = 10 * ((float)step_i) / (1<<16);
- min_volume[n] = (int)min_f;
- }
-
- /* Now open the choices file */
- fp = fopen(ChoicesFile, "r");
- if (!fp) return 0;
-
- while (more)
- {
- /* Get next string */
- more = (int)fgets(buffer, 256, fp);
- if (more)
- {
- /* Check for a colon in this line */
- colon = strstr(buffer, ":") - buffer;
- if (colon>0)
- {
- /* Break the string into item eg. ("Master") and value (eg. "-45") */
- buffer[colon] = 0;
- item = buffer;
- value = item + colon + 1;
- value[strlen(value)-1] = 0;
-
- /* Is this item one of the names of channels? */
- for (n=0; n<NumberOfChannels; n++)
- {
- if (strcmp(channel_name[n], item)==0)
- {
- /* The item corresponds to channel n in our array */
- int v = (int) (atof(value)*10);
- /* Update slider and set volume */
- sound_set_volume(n, v);
- }
- }
- }
- }
- }
-
- fclose(fp);
-
- return 0;
-}