diff --git a/.gitignore b/.gitignore
index 0c5e07fdc86b72b4cdabed4cdcf7f541075ecdaf..75ec11c5d1aea67d7fc26a2e79469016fa130bc0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,5 @@ cscope.out
 *.events
 
 .DS_Store
+
+Builds/MacOSX/open-ephys.xcodeproj/project.xcworkspace/xcuserdata/ryan.xcuserdatad/UserInterfaceState.xcuserstate
diff --git a/Builds/MacOSX/open-ephys.xcodeproj/project.xcworkspace/xcuserdata/ryan.xcuserdatad/UserInterfaceState.xcuserstate b/Builds/MacOSX/open-ephys.xcodeproj/project.xcworkspace/xcuserdata/ryan.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index a17eff7f85236bcc11cb666b4d9c680fb1f6b991..0000000000000000000000000000000000000000
Binary files a/Builds/MacOSX/open-ephys.xcodeproj/project.xcworkspace/xcuserdata/ryan.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ
diff --git a/Source/Processors/AudioNode.cpp b/Source/Processors/AudioNode.cpp
index 99fa448462a431ae340ece25fcccc52f7d1813d0..3d516ee6ddc1b552cae5da1e4ff4da4b42a708d2 100755
--- a/Source/Processors/AudioNode.cpp
+++ b/Source/Processors/AudioNode.cpp
@@ -128,7 +128,6 @@ void AudioNode::addInputChannel(GenericProcessor* sourceNode, int chan)
 
 void AudioNode::setParameter(int parameterIndex, float newValue)
 {
-    editor->updateParameterButtons(parameterIndex);
     // change left channel, right channel, or volume
     if (parameterIndex == 1)
     {