diff --git a/compiler/cli/src/org/jetbrains/jet/cli/common/messages/AnalyzerWithCompilerReport.java b/compiler/cli/src/org/jetbrains/jet/cli/common/messages/AnalyzerWithCompilerReport.java
index 6aaee69142d..a2089bbe908 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/common/messages/AnalyzerWithCompilerReport.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/common/messages/AnalyzerWithCompilerReport.java
@@ -37,6 +37,7 @@ import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.resolve.java.JavaBindingContext;
 import org.jetbrains.jet.lang.resolve.java.JvmAbi;
 import org.jetbrains.jet.lang.resolve.java.resolver.TraceBasedErrorReporter;
+import org.jetbrains.jet.lang.resolve.kotlin.VirtualFileKotlinClass;
 
 import java.util.Collection;
 import java.util.List;
@@ -139,15 +140,16 @@ public final class AnalyzerWithCompilerReport {
         assert analyzeExhaust != null;
         BindingContext bindingContext = analyzeExhaust.getBindingContext();
 
-        Collection<TraceBasedErrorReporter.AbiVersionErrorLocation> errorLocations =
-                bindingContext.getKeys(TraceBasedErrorReporter.ABI_VERSION_ERRORS);
-        for (TraceBasedErrorReporter.AbiVersionErrorLocation abiVersionErrorLocation : errorLocations) {
-            Integer abiVersion = bindingContext.get(TraceBasedErrorReporter.ABI_VERSION_ERRORS, abiVersionErrorLocation);
+        Collection<VirtualFileKotlinClass> errorClasses = bindingContext.getKeys(TraceBasedErrorReporter.ABI_VERSION_ERRORS);
+        for (VirtualFileKotlinClass kotlinClass : errorClasses) {
+            Integer abiVersion = bindingContext.get(TraceBasedErrorReporter.ABI_VERSION_ERRORS, kotlinClass);
+            String fqName = kotlinClass.getClassName().getFqName().asString();
+            String path = toSystemDependentName(kotlinClass.getFile().getPath());
             messageCollectorWrapper.report(CompilerMessageSeverity.ERROR,
-                                           "Class '" + abiVersionErrorLocation.getClassFqName().asString() +
+                                           "Class '" + fqName +
                                            "' was compiled with an incompatible version of Kotlin. " +
                                            "Its ABI version is " + abiVersion + ", expected ABI version is " + JvmAbi.VERSION,
-                                           CompilerMessageLocation.create(toSystemDependentName(abiVersionErrorLocation.getPath()), 0, 0));
+                                           CompilerMessageLocation.create(path, 0, 0));
         }
     }
 
diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/TraceBasedErrorReporter.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/TraceBasedErrorReporter.java
index 8980dcaed83..493efb7b848 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/TraceBasedErrorReporter.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/resolver/TraceBasedErrorReporter.java
@@ -16,14 +16,14 @@
 
 package org.jetbrains.jet.lang.resolve.java.resolver;
 
-import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiElement;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
 import org.jetbrains.jet.lang.psi.JetDeclaration;
 import org.jetbrains.jet.lang.resolve.BindingContextUtils;
 import org.jetbrains.jet.lang.resolve.BindingTrace;
-import org.jetbrains.jet.lang.resolve.name.FqName;
+import org.jetbrains.jet.lang.resolve.kotlin.KotlinJvmBinaryClass;
+import org.jetbrains.jet.lang.resolve.kotlin.VirtualFileKotlinClass;
 import org.jetbrains.jet.util.slicedmap.BasicWritableSlice;
 import org.jetbrains.jet.util.slicedmap.Slices;
 import org.jetbrains.jet.util.slicedmap.WritableSlice;
@@ -33,8 +33,8 @@ import javax.inject.Inject;
 import static org.jetbrains.jet.lang.diagnostics.Errors.CANNOT_INFER_VISIBILITY;
 
 public class TraceBasedErrorReporter implements ErrorReporter {
-    public static final WritableSlice<AbiVersionErrorLocation, Integer> ABI_VERSION_ERRORS =
-            new BasicWritableSlice<AbiVersionErrorLocation, Integer>(Slices.ONLY_REWRITE_TO_EQUAL, true);
+    public static final WritableSlice<VirtualFileKotlinClass, Integer> ABI_VERSION_ERRORS =
+            new BasicWritableSlice<VirtualFileKotlinClass, Integer>(Slices.ONLY_REWRITE_TO_EQUAL, true);
     private BindingTrace trace;
 
     @Inject
@@ -43,8 +43,8 @@ public class TraceBasedErrorReporter implements ErrorReporter {
     }
 
     @Override
-    public void reportIncompatibleAbiVersion(@NotNull FqName fqName, @NotNull VirtualFile file, int actualVersion) {
-        trace.record(ABI_VERSION_ERRORS, new AbiVersionErrorLocation(fqName, file), actualVersion);
+    public void reportIncompatibleAbiVersion(@NotNull KotlinJvmBinaryClass kotlinClass, int actualVersion) {
+        trace.record(ABI_VERSION_ERRORS, (VirtualFileKotlinClass) kotlinClass, actualVersion);
     }
 
     @Override
@@ -54,26 +54,4 @@ public class TraceBasedErrorReporter implements ErrorReporter {
             trace.report(CANNOT_INFER_VISIBILITY.on((JetDeclaration) element));
         }
     }
-
-    public static final class AbiVersionErrorLocation {
-        @NotNull
-        private final FqName classFqName;
-        @NotNull
-        private final VirtualFile file;
-
-        public AbiVersionErrorLocation(@NotNull FqName name, @NotNull VirtualFile file) {
-            this.classFqName = name;
-            this.file = file;
-        }
-
-        @NotNull
-        public FqName getClassFqName() {
-            return classFqName;
-        }
-
-        @NotNull
-        public String getPath() {
-            return file.getPath();
-        }
-    }
 }
diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/kotlin/VirtualFileKotlinClass.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/kotlin/VirtualFileKotlinClass.java
index 64f3d6499c5..2027f47f8ed 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/kotlin/VirtualFileKotlinClass.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/kotlin/VirtualFileKotlinClass.java
@@ -41,7 +41,6 @@ public class VirtualFileKotlinClass implements KotlinJvmBinaryClass {
     }
 
     @NotNull
-    @Override
     public VirtualFile getFile() {
         return file;
     }
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/resolver/ErrorReporter.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/resolver/ErrorReporter.java
index 9299cf7315a..568198662be 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/resolver/ErrorReporter.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/resolver/ErrorReporter.java
@@ -16,13 +16,12 @@
 
 package org.jetbrains.jet.lang.resolve.java.resolver;
 
-import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
-import org.jetbrains.jet.lang.resolve.name.FqName;
+import org.jetbrains.jet.lang.resolve.kotlin.KotlinJvmBinaryClass;
 
 public interface ErrorReporter {
-    void reportIncompatibleAbiVersion(@NotNull FqName fqName, @NotNull VirtualFile file, int actualVersion);
+    void reportIncompatibleAbiVersion(@NotNull KotlinJvmBinaryClass kotlinClass, int actualVersion);
 
     void reportCannotInferVisibility(@NotNull CallableMemberDescriptor descriptor);
 }
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DeserializedDescriptorResolver.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DeserializedDescriptorResolver.java
index a3fa87a5b1e..a62cb0c93b4 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DeserializedDescriptorResolver.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/DeserializedDescriptorResolver.java
@@ -116,7 +116,7 @@ public final class DeserializedDescriptorResolver {
         }
 
         if (header != null) {
-            errorReporter.reportIncompatibleAbiVersion(kotlinClass.getClassName().getFqName(), kotlinClass.getFile(), header.getVersion());
+            errorReporter.reportIncompatibleAbiVersion(kotlinClass, header.getVersion());
         }
 
         return null;
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/KotlinJvmBinaryClass.java b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/KotlinJvmBinaryClass.java
index 50ec310c9e3..ed79bd4aa8c 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/KotlinJvmBinaryClass.java
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/kotlin/KotlinJvmBinaryClass.java
@@ -16,16 +16,12 @@
 
 package org.jetbrains.jet.lang.resolve.kotlin;
 
-import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.resolve.java.JvmClassName;
 import org.jetbrains.jet.lang.resolve.name.Name;
 
 public interface KotlinJvmBinaryClass {
-    @NotNull
-    VirtualFile getFile();
-
     @NotNull
     JvmClassName getClassName();