diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c
index dcb11c26c225742ba5923696f5490180459a7b30..e281c338e562d59e861303789d82c319b9a2ae9c 100644
--- a/sound/firewire/tascam/tascam.c
+++ b/sound/firewire/tascam/tascam.c
@@ -21,7 +21,6 @@ static struct snd_tscm_spec model_specs[] = {
 		.pcm_playback_analog_channels = 8,
 		.midi_capture_ports = 4,
 		.midi_playback_ports = 4,
-		.is_controller = true,
 	},
 	{
 		.name = "FW-1082",
@@ -31,7 +30,6 @@ static struct snd_tscm_spec model_specs[] = {
 		.pcm_playback_analog_channels = 2,
 		.midi_capture_ports = 2,
 		.midi_playback_ports = 2,
-		.is_controller = true,
 	},
 	{
 		.name = "FW-1804",
@@ -41,7 +39,6 @@ static struct snd_tscm_spec model_specs[] = {
 		.pcm_playback_analog_channels = 2,
 		.midi_capture_ports = 2,
 		.midi_playback_ports = 4,
-		.is_controller = false,
 	},
 };
 
diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h
index 2d028d2bd3bdcdcd8be15a184e555786726c94d8..66268600c357a226d073289621923d52c1e69322 100644
--- a/sound/firewire/tascam/tascam.h
+++ b/sound/firewire/tascam/tascam.h
@@ -39,7 +39,6 @@ struct snd_tscm_spec {
 	unsigned int pcm_playback_analog_channels;
 	unsigned int midi_capture_ports;
 	unsigned int midi_playback_ports;
-	bool is_controller;
 };
 
 #define TSCM_MIDI_IN_PORT_MAX	4