diff --git a/stm-firmware/shell.c b/stm-firmware/shell.c
index cbb2e30..8e31918 100644
--- a/stm-firmware/shell.c
+++ b/stm-firmware/shell.c
@@ -334,57 +334,6 @@ static shellmatta_retCode_t shell_cmd_reset(const shellmatta_handle_t handle, co
 	return SHELLMATTA_BUSY;
 }
 
-static shellmatta_retCode_t shell_cmd_cat(const shellmatta_handle_t handle, const char *arguments,
-					  uint32_t length)
-{
-
-#ifdef IMPLEMENT_SHELL_CAT
-	FIL file;
-	char path_buff[256];
-	const char *path;
-	UINT bytes_read;
-	FRESULT res;
-
-	strncpy(path_buff, arguments, MIN(sizeof(path_buff), length));
-	path_buff[MIN(length, sizeof(path_buff)-1)] = 0;
-	path = strtok(path_buff, " ");
-	path = strtok(NULL, " ");
-
-	if (strlen(path) == 0) {
-		shellmatta_printf(handle, "Specify path!\r\n");
-		return SHELLMATTA_OK;
-	}
-
-	res = f_open(&file, path, FA_READ);
-	if (res == FR_OK) {
-		shellmatta_write(handle, "\r\n", 2U);
-		do {
-			res = f_read(&file, path_buff, sizeof(path_buff), &bytes_read);
-			if (bytes_read > 0)
-				shellmatta_write(handle, path_buff, bytes_read);
-			else
-				break;
-		} while (res == FR_OK);
-
-		shellmatta_write(handle, "\r\n", 2U);
-	}
-
-	if (res != FR_OK) {
-		shellmatta_printf(handle, "Error reading file\r\n");
-	}
-
-	f_close(&file);
-
-#else
-	(void)length;
-	(void)arguments;
-
-	shellmatta_printf(handle, "cat not implemented!\r\n");
-#endif
-
-	return SHELLMATTA_OK;
-}
-
 static shellmatta_retCode_t shell_cmd_read_flags(const shellmatta_handle_t handle, const char *arguments,
 						 uint32_t length)
 {
@@ -701,7 +650,7 @@ shellmatta_retCode_t shell_cmd_update(const shellmatta_handle_t handle, const ch
 //    shellmatta_cmdFct_t     cmdFct;     /**< pointer to the cmd callack function    */
 //    struct shellmatta_cmd   *next;      /**< pointer to next command or NULL        */
 //} shellmatta_cmd_t;
-static shellmatta_cmd_t cmd[20] = {
+static shellmatta_cmd_t cmd[19] = {
 	{
 		.cmd = "version",
 		.cmdAlias = "ver",
@@ -790,21 +739,13 @@ static shellmatta_cmd_t cmd[20] = {
 		.cmdFct = shell_cmd_reset,
 		.next = &cmd[11],
 	},
-	{
-		.cmd = "cat",
-		.cmdAlias = NULL,
-		.helpText = "Print file contents",
-		.usageText = "cat <path>",
-		.cmdFct = shell_cmd_cat,
-		.next = &cmd[12],
-	},
 	{
 		.cmd = "safety-flags",
 		.cmdAlias = "flags",
 		.helpText = "Reads and may clear safety flags",
 		.usageText = "flags [--ack]",
 		.cmdFct = shell_cmd_read_flags,
-		.next = &cmd[13],
+		.next = &cmd[12],
 	},
 	{
 		.cmd = "save-calibration",
@@ -812,7 +753,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "",
 		.usageText = "",
 		.cmdFct = shell_cmd_save_cal,
-		.next = &cmd[14],
+		.next = &cmd[13],
 	},
 	{
 		.cmd = "hang",
@@ -820,7 +761,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "",
 		.usageText = "",
 		.cmdFct = shell_cmd_hang,
-		.next = &cmd[15],
+		.next = &cmd[14],
 	},
 	{
 		.cmd = "ui-emulate",
@@ -828,7 +769,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "",
 		.usageText = "",
 		.cmdFct = shell_cmd_ui_emulation,
-		.next = &cmd[16],
+		.next = &cmd[15],
 	},
 	{
 		.cmd = "panic",
@@ -836,7 +777,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "Panic Mode!",
 		.usageText = "",
 		.cmdFct = shell_cmd_panic,
-		.next = &cmd[17],
+		.next = &cmd[16],
 	},
 	{
 		.cmd = "safety-mem-dump",
@@ -844,7 +785,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "",
 		.usageText = "safety-mem-dump [output-file]",
 		.cmdFct = shell_cmd_dump_safety_mem,
-		.next = &cmd[18],
+		.next = &cmd[17],
 	},
 	{
 		.cmd = "reset-cal",
@@ -852,7 +793,7 @@ static shellmatta_cmd_t cmd[20] = {
 		.helpText = "Reset Calibration",
 		.usageText = "",
 		.cmdFct = shell_cmd_reset_cal,
-		.next = &cmd[19],
+		.next = &cmd[18],
 	},
 	{
 		.cmd = "update",