diff --git a/src/droplets/noise_droplet.cpp b/src/droplets/noise_droplet.cpp
index e36a532..9b85bce 100644
--- a/src/droplets/noise_droplet.cpp
+++ b/src/droplets/noise_droplet.cpp
@@ -14,7 +14,14 @@ void NoiseDroplet::Control() {}
 void NoiseDroplet::Process(float** in, float** out, size_t size) {
   for (size_t i = 0; i < size; i += 2) {
     float sig = noise.Process();
-    for (size_t chn = 0; chn < 4; chn++) {
+    size_t chn_min = 0;
+    size_t chn_max = 4;
+    if (state == DropletState::kLeft) {
+      chn_max = 2;
+    } else if (state == DropletState::kRight) {
+      chn_min = 2;
+    }
+    for (size_t chn = chn_min; chn < chn_max; chn++) {
       out[chn][i] = sig;
     }
   }
diff --git a/src/main.cpp b/src/main.cpp
index b632b44..299fa47 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,7 +10,6 @@
 #include "droplets/noise_droplet.h"
 
 using namespace daisy;
-using namespace daisysp;
 
 DaisyPatch patch;
 Menu menu(&patch);