diff --git a/build.xml b/build.xml
index 790af9bbc87..9c6d25a1d74 100644
--- a/build.xml
+++ b/build.xml
@@ -415,8 +415,6 @@
             <arg value="-output"/>
             <arg value="${output}/classes/stdlib"/>
             <arg value="-noStdlib"/>
-            <arg value="-mode"/>
-            <arg value="stdlib"/>
             <arg value="-classpath"/>
             <arg value="${output}/classes/runtime"/>
         </java>
@@ -448,8 +446,6 @@
             <arg value="-output"/>
             <arg value="${output}/classes/lang"/>
             <arg value="-noStdlib"/>
-            <arg value="-mode"/>
-            <arg value="builtins"/>
             <arg value="-builtins"/>
         </java>
 
diff --git a/compiler/cli/src/org/jetbrains/jet/cli/jvm/K2JVMCompilerArguments.java b/compiler/cli/src/org/jetbrains/jet/cli/jvm/K2JVMCompilerArguments.java
index 4a711ddaba2..0789f6652c3 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/jvm/K2JVMCompilerArguments.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/jvm/K2JVMCompilerArguments.java
@@ -74,9 +74,6 @@ public class K2JVMCompilerArguments extends CompilerArguments {
     @Argument(value = "jdkAnnotations", description = "Path to the kotlin-jdk-annotations.jar")
     public String jdkAnnotations;
 
-    @Argument(value = "mode", description = "Special compiler modes: stubs or jdkHeaders")
-    public String mode;
-
     @Argument(value = "output", description = "output directory")
     public String outputDir;
 
@@ -163,14 +160,6 @@ public class K2JVMCompilerArguments extends CompilerArguments {
         this.stdlib = stdlib;
     }
 
-    public String getMode() {
-        return mode;
-    }
-
-    public void setMode(String mode) {
-        this.mode = mode;
-    }
-
     @Override
     public boolean isTags() {
         return tags;
diff --git a/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileBuiltins.java b/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileBuiltins.java
index 92a4bb7cf67..125ccca7076 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileBuiltins.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileBuiltins.java
@@ -39,8 +39,7 @@ public class ForTestCompileBuiltins {
         @Override
         protected void doCompile(@NotNull File classesDir) throws Exception {
             ExitCode exitCode = new K2JVMCompiler().exec(
-                    System.err, "-output", classesDir.getPath(), "-src", "./compiler/frontend/src", "-noStdlib", "-mode", "builtins",
-                    "-builtins");
+                    System.err, "-output", classesDir.getPath(), "-src", "./compiler/frontend/src", "-noStdlib", "-builtins");
             if (exitCode != ExitCode.OK) {
                 throw new IllegalStateException("builtins compilation failed: " + exitCode);
             }
diff --git a/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileRuntime.java b/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileRuntime.java
index 1192d955ceb..782bebd1763 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileRuntime.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/forTestCompile/ForTestCompileRuntime.java
@@ -62,7 +62,6 @@ public class ForTestCompileRuntime {
                 "-output", destdir.getPath(),
                 "-src", "./libraries/stdlib/src",
                 "-noStdlib",
-                "-mode", "stdlib",
                 "-classpath", "out/production/runtime");
         if (exitCode != ExitCode.OK) {
             throw new IllegalStateException("stdlib for test compilation failed: " + exitCode);
diff --git a/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java b/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
index 313806d3254..a2e35482e99 100644
--- a/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
+++ b/idea/src/org/jetbrains/jet/plugin/compiler/JetCompiler.java
@@ -270,8 +270,7 @@ public class JetCompiler implements TranslatingCompiler {
                 "-module", scriptFile.getAbsolutePath(),
                 "-output", path(outputDir),
                 "-tags", "-verbose", "-version",
-                "-noStdlib", "-noJdkAnnotations", "-noJdk",
-                "-mode", "idea"};
+                "-noStdlib", "-noJdkAnnotations", "-noJdk"};
     }
 
     private static void runOutOfProcess(final CompileContext compileContext,