diff --git a/cartofacade/capi_test.go b/cartofacade/capi_test.go
index 4021268e..59505fe6 100644
--- a/cartofacade/capi_test.go
+++ b/cartofacade/capi_test.go
@@ -38,7 +38,7 @@ func confirmBinaryCompressedUnsupported(t *testing.T) {
 	test.That(t, err.Error(), test.ShouldResemble, "compressed PCD not yet implemented")
 }
 
-func testAddSensorReading(t *testing.T, vc Carto, sensor, pcdPath string, timestamp time.Time, pcdType pointcloud.PCDType) {
+func testAddSensorReading(t *testing.T, vc Carto, pcdPath string, timestamp time.Time, pcdType pointcloud.PCDType) {
 	file, err := os.Open(artifact.MustPath(pcdPath))
 	test.That(t, err, test.ShouldBeNil)
 
@@ -49,7 +49,7 @@ func testAddSensorReading(t *testing.T, vc Carto, sensor, pcdPath string, timest
 	err = pointcloud.ToPCD(pc, buf, pcdType)
 	test.That(t, err, test.ShouldBeNil)
 
-	err = vc.addSensorReading(sensor, buf.Bytes(), timestamp)
+	err = vc.addSensorReading("mysensor", buf.Bytes(), timestamp)
 	test.That(t, err, test.ShouldBeNil)
 }
 
@@ -194,7 +194,7 @@ func TestCGoAPI(t *testing.T) {
 		// 1. test valid addSensorReading: valid reading ascii
 		t.Log("sensor reading 1")
 		timestamp = timestamp.Add(time.Second * 2)
-		testAddSensorReading(t, vc, "mysensor", "viam-cartographer/mock_lidar/0.pcd", timestamp, pointcloud.PCDAscii)
+		testAddSensorReading(t, vc, "viam-cartographer/mock_lidar/0.pcd", timestamp, pointcloud.PCDAscii)
 
 		// test getPosition zeroed if not enough sensor data has been provided
 		position, err := vc.getPosition()
@@ -217,7 +217,7 @@ func TestCGoAPI(t *testing.T) {
 		// 2. test valid addSensorReading: valid reading binary
 		t.Log("sensor reading 2")
 		timestamp = timestamp.Add(time.Second * 2)
-		testAddSensorReading(t, vc, "mysensor", "viam-cartographer/mock_lidar/1.pcd", timestamp, pointcloud.PCDBinary)
+		testAddSensorReading(t, vc, "viam-cartographer/mock_lidar/1.pcd", timestamp, pointcloud.PCDBinary)
 
 		// test getPosition zeroed
 		position, err = vc.getPosition()
@@ -236,7 +236,7 @@ func TestCGoAPI(t *testing.T) {
 		// third sensor reading populates the pointcloud map and the position
 		t.Log("sensor reading 3")
 		timestamp = timestamp.Add(time.Second * 2)
-		testAddSensorReading(t, vc, "mysensor", "viam-cartographer/mock_lidar/2.pcd", timestamp, pointcloud.PCDBinary)
+		testAddSensorReading(t, vc, "viam-cartographer/mock_lidar/2.pcd", timestamp, pointcloud.PCDBinary)
 
 		// test getPosition, is no longer zeroed
 		position, err = vc.getPosition()
@@ -259,7 +259,7 @@ func TestCGoAPI(t *testing.T) {
 		// third sensor reading populates the pointcloud map and the position
 		t.Log("sensor reading 3")
 		timestamp = timestamp.Add(time.Second * 2)
-		testAddSensorReading(t, vc, "mysensor", "viam-cartographer/mock_lidar/2.pcd", timestamp, pointcloud.PCDBinary)
+		testAddSensorReading(t, vc, "viam-cartographer/mock_lidar/2.pcd", timestamp, pointcloud.PCDBinary)
 
 		// test getPosition, is no longer zeroed
 		position, err = vc.getPosition()