diff --git a/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java b/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
index 26ca8a9d624..65702c8c8dd 100644
--- a/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
+++ b/idea/src/org/jetbrains/jet/codegen/ExpressionCodegen.java
@@ -25,15 +25,13 @@ public class ExpressionCodegen extends JetVisitor {
     private final Stack<StackValue> myStack = new Stack<StackValue>();
 
     private final InstructionAdapter v;
-    private final JetStandardLibrary stdlib;
     private final FrameMap myMap;
     private final JetTypeMapper typeMapper;
     private final Type returnType;
     private final BindingContext bindingContext;
 
-    public ExpressionCodegen(MethodVisitor v, BindingContext bindingContext, JetStandardLibrary stdlib, FrameMap myMap,
-                             JetTypeMapper typeMapper, Type returnType) {
-        this.stdlib = stdlib;
+    public ExpressionCodegen(MethodVisitor v, BindingContext bindingContext, FrameMap myMap, JetTypeMapper typeMapper,
+                             Type returnType) {
         this.myMap = myMap;
         this.typeMapper = typeMapper;
         this.returnType = returnType;
@@ -171,10 +169,6 @@ public class ExpressionCodegen extends JetVisitor {
         v.goTo(label);
     }
 
-    private void unboxBoolean() {
-        v.invokevirtual("java/lang/Boolean", "booleanValue", "()Z");
-    }
-
     private void generateSingleBranchIf(JetExpression expression, boolean inverse) {
         Label endLabel = new Label();
 
@@ -344,18 +338,11 @@ public class ExpressionCodegen extends JetVisitor {
                     PsiMethod method = (PsiMethod) declarationPsiElement;
                     pushMethodArguments(expression, method);
 
-                    if (method.hasModifierProperty(PsiModifier.STATIC)) {
-                        v.visitMethodInsn(Opcodes.INVOKESTATIC,
-                                JetTypeMapper.jvmName(method.getContainingClass()),
-                                method.getName(),
-                                getMethodDescriptor(method));
-                    }
-                    else {
-                        v.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
-                                JetTypeMapper.jvmName(method.getContainingClass()),
-                                method.getName(),
-                                getMethodDescriptor(method));
-                    }
+                    final boolean isStatic = method.hasModifierProperty(PsiModifier.STATIC);
+                    v.visitMethodInsn(isStatic ? Opcodes.INVOKESTATIC : Opcodes.INVOKEVIRTUAL,
+                            JetTypeMapper.jvmName(method.getContainingClass()),
+                            method.getName(),
+                            getMethodDescriptor(method));
                     final Type type = psiTypeToAsm(method.getReturnType());
                     if (type != Type.VOID_TYPE) {
                         myStack.push(StackValue.onStack(type));
@@ -384,17 +371,6 @@ public class ExpressionCodegen extends JetVisitor {
         }
     }
 
-    private void unbox(PsiType type) {
-        if (type instanceof PsiPrimitiveType) {
-            if (type == PsiType.INT) {
-                v.invokevirtual("java/lang/Integer", "intValue", "()I");
-            }
-            else {
-                throw new UnsupportedOperationException("Don't know how to unbox type " + type);
-            }
-        }
-    }
-
     private static String getMethodDescriptor(PsiMethod method) {
         Type returnType = method.isConstructor() ? Type.VOID_TYPE : psiTypeToAsm(method.getReturnType());
         PsiParameter[] parameters = method.getParameterList().getParameters();
diff --git a/idea/src/org/jetbrains/jet/codegen/FunctionCodegen.java b/idea/src/org/jetbrains/jet/codegen/FunctionCodegen.java
index 89433abbcb5..ce5e443093b 100644
--- a/idea/src/org/jetbrains/jet/codegen/FunctionCodegen.java
+++ b/idea/src/org/jetbrains/jet/codegen/FunctionCodegen.java
@@ -65,7 +65,7 @@ public class FunctionCodegen {
             frameMap.enter(parameter, parameterTypes[i].getSize());
         }
 
-        ExpressionCodegen codegen = new ExpressionCodegen(mv, bindingContext, standardLibrary, frameMap, typeMapper, returnType);
+        ExpressionCodegen codegen = new ExpressionCodegen(mv, bindingContext, frameMap, typeMapper, returnType);
         bodyExpression.accept(codegen);
         generateReturn(mv, bodyExpression, codegen);
         mv.visitMaxs(0, 0);