diff --git a/react/src/Jack.tsx b/react/src/Jack.tsx
index 9203b73..b72d2d6 100644
--- a/react/src/Jack.tsx
+++ b/react/src/Jack.tsx
@@ -17,7 +17,6 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-import {PiPedalArgumentError} from './PiPedalError';
 import {AlsaMidiDeviceInfo} from './AlsaMidiDeviceInfo';
 
 function getChannelNumber(channelId: string): number {