diff --git a/app/src/processing/mode/java/Commander.java b/app/src/processing/mode/java/Commander.java
index fdf55848a..21c9ada04 100644
--- a/app/src/processing/mode/java/Commander.java
+++ b/app/src/processing/mode/java/Commander.java
@@ -147,12 +147,13 @@ public class Commander implements RunnerListener {
         task = EXPORT;
 
       } else if (arg.startsWith(platformArg)) {
-        String platformStr = arg.substring(platformArg.length());
-        platform = Base.getPlatformIndex(platformStr);
-        if (platform == -1) {
-          complainAndQuit(platformStr + " should instead be " +
-                          "'windows', 'macosx', or 'linux'.", true);
-        }
+        complainAndQuit("The --platform option has been removed from Processing 2.1.", false);
+//        String platformStr = arg.substring(platformArg.length());
+//        platform = Base.getPlatformIndex(platformStr);
+//        if (platform == -1) {
+//          complainAndQuit(platformStr + " should instead be " +
+//                          "'windows', 'macosx', or 'linux'.", true);
+//        }
 
       } else if (arg.startsWith(bitsArg)) {
         String bitsStr = arg.substring(bitsArg.length());
@@ -363,8 +364,8 @@ public class Commander implements RunnerListener {
     out.println("--present            Preprocess, compile, and run a sketch full screen.");
     out.println();
     out.println("--export             Export an application.");
-    out.println("--platform           Specify the platform (export to application only).");
-    out.println("                     Should be one of 'windows', 'macosx', or 'linux'.");
+//    out.println("--platform           Specify the platform (export to application only).");
+//    out.println("                     Should be one of 'windows', 'macosx', or 'linux'.");
     out.println("--bits               Must be specified if libraries are used that are");
     out.println("                     32- or 64-bit specific such as the OpenGL library.");
     out.println("                     Otherwise specify 0 or leave it out.");