diff --git a/translator/src/org/jetbrains/k2js/translate/context/Aliaser.java b/translator/src/org/jetbrains/k2js/translate/context/Aliaser.java
index 825b119b903..13059a924d4 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/Aliaser.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/Aliaser.java
@@ -5,18 +5,15 @@ import com.google.dart.compiler.backend.js.ast.JsNameRef;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
-import org.jetbrains.jet.lang.types.JetStandardLibrary;
 
 import java.util.HashMap;
 import java.util.Map;
 
-//TODO: implement aliases stack for this
+//TODO: implement aliases stack for this need TESTS
 public class Aliaser {
 
-    public static Aliaser aliasesForStandardClasses(@NotNull JetStandardLibrary standardLibrary,
-                                                    @NotNull Namer namer) {
-        Aliaser aliaser = new Aliaser();
-        return aliaser;
+    public static Aliaser newInstance() {
+        return new Aliaser();
     }
 
     @NotNull
diff --git a/translator/src/org/jetbrains/k2js/translate/context/Declarations.java b/translator/src/org/jetbrains/k2js/translate/context/Declarations.java
index 66aee80a1fd..5427dedeb57 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/Declarations.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/Declarations.java
@@ -79,18 +79,17 @@ public final class Declarations {
     }
 
     /*package*/ void putScope(@NotNull DeclarationDescriptor descriptor, @NotNull NamingScope scope) {
-//        assert !descriptorToScopeMap.containsKey(descriptor) : "Already contains that key!";
+        assert !descriptorToScopeMap.containsKey(descriptor) : "Already contains that key!";
         descriptorToScopeMap.put(descriptor, scope);
     }
 
-    //TODO: decide what to do about function overriding
     /*package*/ void putName(@NotNull DeclarationDescriptor descriptor, @NotNull JsName name) {
-//        assert !descriptorToNameMap.containsKey(descriptor) : "Already contains that key!";
+        assert !descriptorToNameMap.containsKey(descriptor) : "Already contains that key!";
         descriptorToNameMap.put(descriptor, name);
     }
 
     /*package*/ void putQualifier(@NotNull DeclarationDescriptor descriptor, @Nullable JsNameRef qualifier) {
-//        assert !descriptorToQualifierMap.containsKey(descriptor) : "Already contains that key!";
+        assert !descriptorToQualifierMap.containsKey(descriptor) : "Already contains that key!";
         descriptorToQualifierMap.put(descriptor, qualifier);
     }
 }
diff --git a/translator/src/org/jetbrains/k2js/translate/context/DynamicContext.java b/translator/src/org/jetbrains/k2js/translate/context/DynamicContext.java
index 04e04bb228c..eed59e41498 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/DynamicContext.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/DynamicContext.java
@@ -34,6 +34,7 @@ public class DynamicContext {
         return new DynamicContext(namingScope.innerScope(scope), currentBlock);
     }
 
+    //TODO:
     @NotNull
     public DynamicContext innerBlock(@NotNull JsBlock block) {
         return new DynamicContext(namingScope, block);
diff --git a/translator/src/org/jetbrains/k2js/translate/context/Namer.java b/translator/src/org/jetbrains/k2js/translate/context/Namer.java
index cd9ee889d3f..7034ad7bcc3 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/Namer.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/Namer.java
@@ -10,11 +10,6 @@ import org.jetbrains.annotations.NotNull;
  * @author Talanov Pavel
  */
 
-/*
- * This class is a dummy and should completely change in the future
- */
-//TODO: rework into stateful class and include into context
-
 public final class Namer {
 
     private static final String INITIALIZE_METHOD_NAME = "initialize";
@@ -32,11 +27,6 @@ public final class Namer {
         return AstUtil.newQualifiedNameRef(INITIALIZE_METHOD_NAME);
     }
 
-//    @NotNull
-//    public static JsNameRef superMethodReference() {
-//        return AstUtil.newQualifiedNameRef(SUPER_METHOD_NAME);
-//    }
-
     @NotNull
     public static String superMethodName() {
         return SUPER_METHOD_NAME;
@@ -124,17 +114,6 @@ public final class Namer {
         return reference;
     }
 
-    @NotNull
-    public JsName libraryObject(@NotNull String name) {
-        return kotlinScope.declareName(name);
-    }
-
-    @NotNull
-    public JsName libraryMethod(@NotNull String name) {
-        //TODO: Create scopes for library methods
-        return kotlinScope.declareName(name);
-    }
-
     @NotNull
     public JsNameRef kotlinObject() {
         return kotlinName.makeRef();
diff --git a/translator/src/org/jetbrains/k2js/translate/context/StaticContext.java b/translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
index f8bb8b96ae5..36e3c788c79 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/StaticContext.java
@@ -18,7 +18,7 @@ public class StaticContext {
         JsProgram program = new JsProgram("main");
         JsRootScope jsRootScope = program.getRootScope();
         Namer namer = Namer.newInstance(jsRootScope);
-        Aliaser aliaser = Aliaser.aliasesForStandardClasses(library, namer);
+        Aliaser aliaser = Aliaser.newInstance();
         NamingScope scope = NamingScope.rootScope(jsRootScope);
         Declarations declarations = Declarations.newInstance(scope);
         Intrinsics intrinsics = Intrinsics.standardLibraryIntrinsics(library);
diff --git a/translator/src/org/jetbrains/k2js/translate/context/TranslationContext.java b/translator/src/org/jetbrains/k2js/translate/context/TranslationContext.java
index 51dc1de400c..f34bd48cb50 100644
--- a/translator/src/org/jetbrains/k2js/translate/context/TranslationContext.java
+++ b/translator/src/org/jetbrains/k2js/translate/context/TranslationContext.java
@@ -128,14 +128,6 @@ public final class TranslationContext {
         return getNameForDescriptor(descriptor);
     }
 
-    public boolean isDeclared(@NotNull DeclarationDescriptor descriptor) {
-        if (dynamicContext.isDeclared(descriptor)) {
-            return true;
-        } else {
-            return staticContext.isDeclared(descriptor);
-        }
-    }
-
     public boolean isStandardObject(@NotNull DeclarationDescriptor descriptor) {
         return standardClasses().isStandardObject(descriptor);
     }