diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/ClosureCodegen.java b/compiler/backend/src/org/jetbrains/jet/codegen/ClosureCodegen.java
index 085dfb7f5c3..ef5faad65c5 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/ClosureCodegen.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/ClosureCodegen.java
@@ -176,7 +176,7 @@ public class ClosureCodegen extends ObjectOrClosureCodegen {
         if(bridge.getDescriptor().equals(delegate.getDescriptor()))
             return;
 
-        final MethodVisitor mv = cv.newMethod(fun, ACC_PUBLIC, "invoke", bridge.getDescriptor(), state.getTypeMapper().genericSignature(funDescriptor), new String[0]);
+        final MethodVisitor mv = cv.newMethod(fun, ACC_PUBLIC, "invoke", bridge.getDescriptor(), null, new String[0]);
         if (cv.generateCode()) {
             mv.visitCode();
 
diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java b/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
index fdd99201f77..587570af1a5 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java
@@ -392,36 +392,6 @@ public class JetTypeMapper {
         return new Method(name, returnType, parameterTypes.toArray(new Type[parameterTypes.size()]));
     }
 
-    public String genericSignature(FunctionDescriptor f) {
-        StringBuffer answer = new StringBuffer();
-        final List<TypeParameterDescriptor> typeParameters = f.getTypeParameters();
-        if (!typeParameters.isEmpty()) {
-            answer.append('<');
-            for (TypeParameterDescriptor p : typeParameters) {
-                appendTypeParameterSignature(answer, p);
-            }
-            answer.append('>');
-        }
-
-        answer.append('(');
-        for (ValueParameterDescriptor p : f.getValueParameters()) {
-            appendType(answer, p.getOutType());
-        }
-        answer.append(')');
-
-        appendType(answer, f.getReturnType());
-
-        return answer.toString();
-    }
-
-    private void appendType(StringBuffer answer, JetType type) {
-        answer.append(mapType(type).getDescriptor()); // TODO: type parameter references!
-    }
-
-    private static void appendTypeParameterSignature(StringBuffer answer, TypeParameterDescriptor p) {
-        answer.append(p.getName()); // TODO: BOUND!
-    }
-
     public Method mapGetterSignature(PropertyDescriptor descriptor, OwnerKind kind) {
         Type returnType = mapType(descriptor.getOutType());
         String name = PropertyCodegen.getterName(descriptor.getName());