diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/Visibilities.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/Visibilities.java
index edd50b72ca2..3a7dac553a5 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/Visibilities.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/Visibilities.java
@@ -16,12 +16,13 @@
 
 package org.jetbrains.jet.lang.descriptors;
 
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
+import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
+import org.jetbrains.jet.utils.UtilsPackage;
 
+import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 
@@ -108,7 +109,8 @@ public class Visibilities {
         }
     };
 
-    public static final Set<Visibility> INVISIBLE_FROM_OTHER_MODULES = Sets.newHashSet(PRIVATE, INTERNAL, LOCAL);
+    public static final Set<Visibility> INVISIBLE_FROM_OTHER_MODULES =
+            Collections.unmodifiableSet(KotlinPackage.setOf(PRIVATE, INTERNAL, LOCAL));
 
     private Visibilities() {
     }
@@ -132,13 +134,15 @@ public class Visibilities {
         return null;
     }
 
-    private static final Map<Visibility, Integer> ORDERED_VISIBILITIES = Maps.newHashMap();
+    private static final Map<Visibility, Integer> ORDERED_VISIBILITIES;
 
     static {
-        ORDERED_VISIBILITIES.put(PRIVATE, 0);
-        ORDERED_VISIBILITIES.put(INTERNAL, 1);
-        ORDERED_VISIBILITIES.put(PROTECTED, 1);
-        ORDERED_VISIBILITIES.put(PUBLIC, 2);
+        Map<Visibility, Integer> visibilities = UtilsPackage.newHashMapWithExpectedSize(4);
+        visibilities.put(PRIVATE, 0);
+        visibilities.put(INTERNAL, 1);
+        visibilities.put(PROTECTED, 1);
+        visibilities.put(PUBLIC, 2);
+        ORDERED_VISIBILITIES = Collections.unmodifiableMap(visibilities);
     }
 
     /*package*/
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/CompositePackageFragmentProvider.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/CompositePackageFragmentProvider.java
index 3b5c327df09..bfe36cff053 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/CompositePackageFragmentProvider.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/CompositePackageFragmentProvider.java
@@ -16,16 +16,12 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.PackageFragmentDescriptor;
 import org.jetbrains.jet.lang.descriptors.PackageFragmentProvider;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 public class CompositePackageFragmentProvider implements PackageFragmentProvider {
     // can be modified from outside
@@ -49,7 +45,7 @@ public class CompositePackageFragmentProvider implements PackageFragmentProvider
     @NotNull
     @Override
     public Collection<FqName> getSubPackagesOf(@NotNull FqName fqName) {
-        Set<FqName> result = Sets.newHashSet();
+        Set<FqName> result = new HashSet<FqName>();
         for (PackageFragmentProvider provider : providers) {
             result.addAll(provider.getSubPackagesOf(fqName));
         }
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
index 79c0079403e..9d1d1ed9e6d 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/FunctionDescriptorImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -30,20 +29,19 @@ import org.jetbrains.jet.lang.types.TypeSubstitutor;
 import org.jetbrains.jet.lang.types.Variance;
 
 import java.util.ArrayList;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
 public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRootImpl implements FunctionDescriptor {
-
-    protected List<TypeParameterDescriptor> typeParameters;
-    protected List<ValueParameterDescriptor> unsubstitutedValueParameters;
-    protected JetType unsubstitutedReturnType;
+    private List<TypeParameterDescriptor> typeParameters;
+    private List<ValueParameterDescriptor> unsubstitutedValueParameters;
+    private JetType unsubstitutedReturnType;
     private ReceiverParameterDescriptor receiverParameter;
-    protected ReceiverParameterDescriptor expectedThisObject;
-    protected Modality modality;
-
-    protected Visibility visibility;
-    protected final Set<FunctionDescriptor> overriddenFunctions = Sets.newLinkedHashSet(); // LinkedHashSet is essential here
+    private ReceiverParameterDescriptor expectedThisObject;
+    private Modality modality;
+    private Visibility visibility;
+    private final Set<FunctionDescriptor> overriddenFunctions = new LinkedHashSet<FunctionDescriptor>(); // LinkedHashSet is essential here
     private final FunctionDescriptor original;
     private final Kind kind;
 
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyAccessorDescriptorImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyAccessorDescriptorImpl.java
index 2b0b0685d8a..b9ba2a6c5d9 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyAccessorDescriptorImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyAccessorDescriptorImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -25,6 +24,7 @@ import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.TypeSubstitutor;
 
 import java.util.Collections;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
@@ -144,7 +144,8 @@ public abstract class PropertyAccessorDescriptorImpl extends DeclarationDescript
     @NotNull
     protected Set<PropertyAccessorDescriptor> getOverriddenDescriptors(boolean isGetter) {
         Set<? extends PropertyDescriptor> overriddenProperties = getCorrespondingProperty().getOverriddenDescriptors();
-        Set<PropertyAccessorDescriptor> overriddenAccessors = Sets.newLinkedHashSet(); // LinkedHashSet for determinism
+        // LinkedHashSet for determinism
+        Set<PropertyAccessorDescriptor> overriddenAccessors = new LinkedHashSet<PropertyAccessorDescriptor>();
         for (PropertyDescriptor overriddenProperty : overriddenProperties) {
             PropertyAccessorDescriptor accessorDescriptor = isGetter ? overriddenProperty.getGetter() : overriddenProperty.getSetter();
             if (accessorDescriptor != null) {
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyDescriptorImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyDescriptorImpl.java
index 11a400fc28c..ae990235989 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyDescriptorImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PropertyDescriptorImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -30,17 +29,13 @@ import org.jetbrains.jet.lang.types.TypeSubstitutor;
 import org.jetbrains.jet.lang.types.Variance;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 public class PropertyDescriptorImpl extends VariableDescriptorImpl implements PropertyDescriptor {
-
     private final Modality modality;
     private Visibility visibility;
     private final boolean isVar;
-    private final Set<PropertyDescriptor> overriddenProperties = Sets.newLinkedHashSet(); // LinkedHashSet is essential here
+    private final Set<PropertyDescriptor> overriddenProperties = new LinkedHashSet<PropertyDescriptor>(); // LinkedHashSet is essential here
     private final PropertyDescriptor original;
     private final Kind kind;
 
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/TypeParameterDescriptorImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/TypeParameterDescriptorImpl.java
index 619b161af70..fc96f9ce9b8 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/TypeParameterDescriptorImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/TypeParameterDescriptorImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
 import org.jetbrains.jet.lang.descriptors.SourceElement;
@@ -32,6 +31,7 @@ import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.storage.LockBasedStorageManager;
 
 import java.util.Collections;
+import java.util.LinkedHashSet;
 import java.util.Set;
 
 public class TypeParameterDescriptorImpl extends AbstractTypeParameterDescriptor {
@@ -62,7 +62,7 @@ public class TypeParameterDescriptorImpl extends AbstractTypeParameterDescriptor
         return new TypeParameterDescriptorImpl(containingDeclaration, annotations, reified, variance, name, index, source);
     }
 
-    private final Set<JetType> upperBounds = Sets.newLinkedHashSet();
+    private final Set<JetType> upperBounds = new LinkedHashSet<JetType>();
     private boolean initialized = false;
 
     private TypeParameterDescriptorImpl(
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/ValueParameterDescriptorImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/ValueParameterDescriptorImpl.java
index 572e3f23122..dac58fe6687 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/ValueParameterDescriptorImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/ValueParameterDescriptorImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.descriptors.impl;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
@@ -26,17 +25,16 @@ import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.TypeSubstitutor;
 
 import java.util.Collections;
+import java.util.LinkedHashSet;
 import java.util.Set;
 
 public class ValueParameterDescriptorImpl extends VariableDescriptorImpl implements ValueParameterDescriptor {
     private Boolean hasDefaultValue;
     private final boolean declaresDefaultValue;
-
     private final JetType varargElementType;
     private final int index;
     private final ValueParameterDescriptor original;
-
-    private final Set<ValueParameterDescriptor> overriddenDescriptors = Sets.newLinkedHashSet(); // Linked is essential
+    private final Set<ValueParameterDescriptor> overriddenDescriptors = new LinkedHashSet<ValueParameterDescriptor>(); // Linked is essential
     private boolean overriddenDescriptorsLocked = false;
     private final Set<? extends ValueParameterDescriptor> readOnlyOverriddenDescriptors = Collections.unmodifiableSet(overriddenDescriptors);
 
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/OverridingUtil.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/OverridingUtil.java
index 4237e799674..9b83ae4cbdf 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/OverridingUtil.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/OverridingUtil.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.resolve;
 
-import com.google.common.collect.Sets;
 import com.intellij.util.containers.ContainerUtil;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
@@ -250,7 +249,7 @@ public class OverridingUtil {
             @NotNull ClassDescriptor current,
             @NotNull DescriptorSink sink
     ) {
-        Collection<CallableMemberDescriptor> notOverridden = Sets.newLinkedHashSet(membersFromSupertypes);
+        Collection<CallableMemberDescriptor> notOverridden = new LinkedHashSet<CallableMemberDescriptor>(membersFromSupertypes);
 
         for (CallableMemberDescriptor fromCurrent : membersFromCurrent) {
             Collection<CallableMemberDescriptor> bound =
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintPosition.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintPosition.java
index 113d93abbfa..ab84613f92f 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintPosition.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintPosition.java
@@ -16,13 +16,13 @@
 
 package org.jetbrains.jet.lang.resolve.calls.inference;
 
-import com.google.common.collect.Maps;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.HashMap;
 import java.util.Map;
 
 public class ConstraintPosition {
@@ -31,8 +31,8 @@ public class ConstraintPosition {
     public static final ConstraintPosition FROM_COMPLETER = new ConstraintPosition("FROM_COMPLETER", true);
     public static final ConstraintPosition SPECIAL = new ConstraintPosition("SPECIAL", true);
 
-    private static final Map<Integer, ConstraintPosition> valueParameterPositions = Maps.newHashMap();
-    private static final Map<Integer, ConstraintPosition> typeBoundPositions = Maps.newHashMap();
+    private static final Map<Integer, ConstraintPosition> valueParameterPositions = new HashMap<Integer, ConstraintPosition>();
+    private static final Map<Integer, ConstraintPosition> typeBoundPositions = new HashMap<Integer, ConstraintPosition>();
 
     public static ConstraintPosition getValueParameterPosition(int index) {
         ConstraintPosition position = valueParameterPositions.get(index);
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemImpl.java
index 0e4893773cd..fe324498bb5 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemImpl.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.jet.lang.resolve.calls.inference;
 
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
@@ -30,10 +28,7 @@ import org.jetbrains.jet.lang.types.checker.TypingConstraints;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.utils.UtilsPackage;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 import static org.jetbrains.jet.lang.resolve.calls.inference.ConstraintSystemImpl.ConstraintKind.EQUAL;
 import static org.jetbrains.jet.lang.resolve.calls.inference.ConstraintSystemImpl.ConstraintKind.SUB_TYPE;
@@ -47,8 +42,9 @@ public class ConstraintSystemImpl implements ConstraintSystem {
         SUB_TYPE, EQUAL
     }
 
-    private final Map<TypeParameterDescriptor, TypeBoundsImpl> typeParameterBounds = Maps.newLinkedHashMap();
-    private final Set<ConstraintPosition> errorConstraintPositions = Sets.newHashSet();
+    private final Map<TypeParameterDescriptor, TypeBoundsImpl> typeParameterBounds =
+            new LinkedHashMap<TypeParameterDescriptor, TypeBoundsImpl>();
+    private final Set<ConstraintPosition> errorConstraintPositions = new HashSet<ConstraintPosition>();
     private boolean hasErrorInConstrainingTypes;
 
     private final ConstraintSystemStatus constraintSystemStatus = new ConstraintSystemStatus() {
@@ -123,7 +119,8 @@ public class ConstraintSystemImpl implements ConstraintSystem {
             @NotNull Map<TypeParameterDescriptor, TypeBoundsImpl> typeParameterBounds,
             @NotNull Function1<TypeParameterDescriptor, TypeProjection> getDefaultTypeProjection
     ) {
-        Map<TypeParameterDescriptor, TypeProjection> substitutionContext = Maps.newHashMap();
+        Map<TypeParameterDescriptor, TypeProjection> substitutionContext =
+                UtilsPackage.newHashMapWithExpectedSize(typeParameterBounds.size());
         for (Map.Entry<TypeParameterDescriptor, TypeBoundsImpl> entry : typeParameterBounds.entrySet()) {
             TypeParameterDescriptor typeParameter = entry.getKey();
             TypeBounds typeBounds = entry.getValue();
@@ -221,12 +218,11 @@ public class ConstraintSystemImpl implements ConstraintSystem {
     }
 
     @NotNull
-    public ConstraintSystem filterConstraintsOut(@NotNull ConstraintPosition... excludePositions) {
-        final Set<ConstraintPosition> positions = Sets.newHashSet(excludePositions);
+    public ConstraintSystem filterConstraintsOut(@NotNull final ConstraintPosition excludePosition) {
         return filterConstraints(new Function1<ConstraintPosition, Boolean>() {
             @Override
             public Boolean invoke(ConstraintPosition constraintPosition) {
-                return !positions.contains(constraintPosition);
+                return !excludePosition.equals(constraintPosition);
             }
         });
     }
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/TypeBoundsImpl.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/TypeBoundsImpl.java
index 2e87d672590..ddb61ad1293 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/TypeBoundsImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/TypeBoundsImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.resolve.calls.inference;
 
-import com.google.common.collect.Sets;
 import com.intellij.util.containers.ContainerUtil;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
@@ -34,7 +33,7 @@ import static org.jetbrains.jet.lang.resolve.calls.inference.TypeBounds.BoundKin
 public class TypeBoundsImpl implements TypeBounds {
     private final TypeParameterDescriptor typeVariable;
     private final Variance varianceOfPosition;
-    private final Set<Bound> bounds = Sets.newLinkedHashSet();
+    private final Set<Bound> bounds = new LinkedHashSet<Bound>();
 
     private Collection<JetType> resultValues;
 
@@ -88,7 +87,7 @@ public class TypeBoundsImpl implements TypeBounds {
             @NotNull BoundKind kind,
             @Nullable Collection<JetType> errorValues
     ) {
-        Set<JetType> result = Sets.newLinkedHashSet();
+        Set<JetType> result = new LinkedHashSet<JetType>();
         for (Bound bound : bounds) {
             if (bound.kind == kind) {
                 if (!ErrorUtils.containsErrorType(bound.type)) {
@@ -142,7 +141,7 @@ public class TypeBoundsImpl implements TypeBounds {
 
     @NotNull
     private Collection<JetType> computeValues() {
-        Set<JetType> values = Sets.newLinkedHashSet();
+        Set<JetType> values = new LinkedHashSet<JetType>();
         if (bounds.isEmpty()) {
             return Collections.emptyList();
         }
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/ChainedScope.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/ChainedScope.java
index d39c6d84f04..bc4ce9c0248 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/ChainedScope.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/ChainedScope.java
@@ -16,17 +16,13 @@
 
 package org.jetbrains.jet.lang.resolve.scopes;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.TestOnly;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.utils.Printer;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 import static org.jetbrains.jet.lang.resolve.scopes.JetScopeSelectorUtil.*;
 
@@ -106,7 +102,7 @@ public class ChainedScope implements JetScope {
     @Override
     public Collection<DeclarationDescriptor> getAllDescriptors() {
         if (allDescriptors == null) {
-            allDescriptors = Sets.newHashSet();
+            allDescriptors = new HashSet<DeclarationDescriptor>();
             for (JetScope scope : scopeChain) {
                 allDescriptors.addAll(scope.getAllDescriptors());
             }
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/JetScopeSelectorUtil.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/JetScopeSelectorUtil.java
index 4dae9714be6..ee760034272 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/JetScopeSelectorUtil.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/JetScopeSelectorUtil.java
@@ -16,15 +16,12 @@
 
 package org.jetbrains.jet.lang.resolve.scopes;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.resolve.name.Name;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Set;
+import java.util.*;
 
 public class JetScopeSelectorUtil {
     private JetScopeSelectorUtil() {
@@ -47,7 +44,7 @@ public class JetScopeSelectorUtil {
 
     @NotNull
     public static <D extends DeclarationDescriptor> Collection<D> collect(Collection<JetScope> scopes, ScopeByNameMultiSelector<D> selector, Name name) {
-        Set<D> descriptors = Sets.newHashSet();
+        Set<D> descriptors = new HashSet<D>();
 
         for (JetScope scope : scopes) {
             descriptors.addAll(selector.get(scope, name));
@@ -58,7 +55,7 @@ public class JetScopeSelectorUtil {
 
     @NotNull
     public static <D extends DeclarationDescriptor> Collection<D> collect(Collection<JetScope> scopes, ScopeDescriptorSelector<D> selector) {
-        Set<D> descriptors = Sets.newHashSet();
+        Set<D> descriptors = new HashSet<D>();
 
         for (JetScope scope : scopes) {
             descriptors.addAll(selector.get(scope));
@@ -146,8 +143,7 @@ public class JetScopeSelectorUtil {
     ) {
         if (scopes.length == 0) return Collections.emptySet();
 
-        Set<D> descriptors = Sets.newLinkedHashSet();
-
+        Set<D> descriptors = new LinkedHashSet<D>();
         for (JetScope jetScope : scopes) {
             descriptors.addAll(descriptorsSelector.get(jetScope, name));
         }
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/SubstitutingScope.java b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/SubstitutingScope.java
index 28a91f8db36..eb1cfb393b6 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/SubstitutingScope.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/resolve/scopes/SubstitutingScope.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.jet.lang.resolve.scopes;
 
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.TestOnly;
@@ -25,11 +23,9 @@ import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.TypeSubstitutor;
 import org.jetbrains.jet.utils.Printer;
+import org.jetbrains.jet.utils.UtilsPackage;
 
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 public class SubstitutingScope implements JetScope {
 
@@ -50,7 +46,7 @@ public class SubstitutingScope implements JetScope {
         if (substitutor.isEmpty()) return descriptor;
 
         if (substitutedDescriptors == null) {
-            substitutedDescriptors = Maps.newHashMap();
+            substitutedDescriptors = new HashMap<DeclarationDescriptor, DeclarationDescriptor>();
         }
 
         DeclarationDescriptor substituted = substitutedDescriptors.get(descriptor);
@@ -70,7 +66,7 @@ public class SubstitutingScope implements JetScope {
         if (substitutor.isEmpty()) return descriptors;
         if (descriptors.isEmpty()) return descriptors;
 
-        Set<D> result = Sets.newHashSetWithExpectedSize(descriptors.size());
+        Set<D> result = UtilsPackage.newHashSetWithExpectedSize(descriptors.size());
         for (D descriptor : descriptors) {
             D substitute = substitute(descriptor);
             if (substitute != null) {
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/types/CommonSupertypes.java b/core/descriptors/src/org/jetbrains/jet/lang/types/CommonSupertypes.java
index 100f56f3b9d..a68e95f5f44 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/types/CommonSupertypes.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/types/CommonSupertypes.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.types;
 
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
@@ -107,7 +106,7 @@ public class CommonSupertypes {
 
         List<TypeConstructor> order = null;
         for (JetType type : types) {
-            Set<TypeConstructor> visited = Sets.newHashSet();
+            Set<TypeConstructor> visited = new HashSet<TypeConstructor>();
             order = topologicallySortSuperclassesAndRecordAllInstances(type, constructorToAllInstances, visited);
 
             if (commonSuperclasses == null) {
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/types/IntersectionTypeConstructor.java b/core/descriptors/src/org/jetbrains/jet/lang/types/IntersectionTypeConstructor.java
index 67967f4fe41..e46915e39a2 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/types/IntersectionTypeConstructor.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/types/IntersectionTypeConstructor.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.jet.lang.types;
 
-
-import com.google.common.collect.Sets;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
 import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor;
@@ -32,7 +30,7 @@ public class IntersectionTypeConstructor extends AnnotatedImpl implements TypeCo
 
     public IntersectionTypeConstructor(Annotations annotations, Collection<JetType> typesToIntersect) {
         super(annotations);
-        this.intersectedTypes = Sets.newLinkedHashSet(typesToIntersect);
+        this.intersectedTypes = new LinkedHashSet<JetType>(typesToIntersect);
         this.hashCode = intersectedTypes.hashCode();
     }
 
diff --git a/core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java b/core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java
index 71ad8ed003e..d4d0f404405 100644
--- a/core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java
+++ b/core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java
@@ -16,8 +16,6 @@
 
 package org.jetbrains.jet.lang.types;
 
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
 import kotlin.Unit;
@@ -36,6 +34,7 @@ import org.jetbrains.jet.lang.resolve.scopes.JetScope;
 import org.jetbrains.jet.lang.types.checker.JetTypeChecker;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.utils.DFS;
+import org.jetbrains.jet.utils.UtilsPackage;
 
 import java.util.*;
 
@@ -138,7 +137,7 @@ public class TypeUtils {
     }
 
     public static boolean isIntersectionEmpty(@NotNull JetType typeA, @NotNull JetType typeB) {
-        return intersect(JetTypeChecker.DEFAULT, Sets.newLinkedHashSet(Arrays.asList(typeA, typeB))) == null;
+        return intersect(JetTypeChecker.DEFAULT, new LinkedHashSet<JetType>(Arrays.asList(typeA, typeB))) == null;
     }
 
     @Nullable
@@ -237,7 +236,7 @@ public class TypeUtils {
 
         private static boolean unify(JetType withParameters, JetType expected) {
             // T -> how T is used
-            final Map<TypeParameterDescriptor, Variance> parameters = Maps.newHashMap();
+            final Map<TypeParameterDescriptor, Variance> parameters = new HashMap<TypeParameterDescriptor, Variance>();
             Function1<TypeParameterUsage, Unit> processor = new Function1<TypeParameterUsage, Unit>() {
                 @Override
                 public Unit invoke(TypeParameterUsage parameterUsage) {
@@ -469,7 +468,7 @@ public class TypeUtils {
             throw new IllegalArgumentException("type parameter counts do not match: " + clazz + ", " + projections);
         }
 
-        Map<TypeConstructor, TypeProjection> substitutions = Maps.newHashMap();
+        Map<TypeConstructor, TypeProjection> substitutions = UtilsPackage.newHashMapWithExpectedSize(clazzTypeParameters.size());
 
         for (int i = 0; i < clazzTypeParameters.size(); ++i) {
             TypeConstructor typeConstructor = clazzTypeParameters.get(i).getTypeConstructor();
@@ -547,7 +546,7 @@ public class TypeUtils {
 
     @NotNull
     private static Set<JetType> getIntersectionOfSupertypes(@NotNull Collection<JetType> types) {
-        Set<JetType> upperBounds = Sets.newHashSet();
+        Set<JetType> upperBounds = new HashSet<JetType>();
         for (JetType type : types) {
             Collection<JetType> supertypes = type.getConstructor().getSupertypes();
             if (upperBounds.isEmpty()) {
@@ -654,7 +653,7 @@ public class TypeUtils {
     }
 
     public static TypeSubstitutor makeConstantSubstitutor(Collection<TypeParameterDescriptor> typeParameterDescriptors, JetType type) {
-        final Set<TypeConstructor> constructors = Sets.newHashSet();
+        final Set<TypeConstructor> constructors = UtilsPackage.newHashSetWithExpectedSize(typeParameterDescriptors.size());
         for (TypeParameterDescriptor typeParameterDescriptor : typeParameterDescriptors) {
             constructors.add(typeParameterDescriptor.getTypeConstructor());
         }
diff --git a/core/descriptors/src/org/jetbrains/jet/renderer/DescriptorRendererImpl.java b/core/descriptors/src/org/jetbrains/jet/renderer/DescriptorRendererImpl.java
index 61fbf23fa44..1e3646a897f 100644
--- a/core/descriptors/src/org/jetbrains/jet/renderer/DescriptorRendererImpl.java
+++ b/core/descriptors/src/org/jetbrains/jet/renderer/DescriptorRendererImpl.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.renderer;
 
-import com.google.common.collect.Sets;
 import kotlin.Function1;
 import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
@@ -114,7 +113,7 @@ public class DescriptorRendererImpl implements DescriptorRenderer {
         this.debugMode = debugMode;
         this.textFormat = textFormat;
         this.includePropertyConstant = includePropertyConstant;
-        this.excludedAnnotationClasses = Sets.newHashSet(excludedAnnotationClasses);
+        this.excludedAnnotationClasses = new HashSet<FqName>(excludedAnnotationClasses);
         this.prettyFunctionTypes = prettyFunctionTypes;
         this.uninferredTypeParameterAsName = uninferredTypeParameterAsName;
         this.includeSynthesizedParameterNames = includeSynthesizedParameterNames;
diff --git a/core/util.runtime/src/org/jetbrains/jet/utils/collections.kt b/core/util.runtime/src/org/jetbrains/jet/utils/collections.kt
index 52587adeab8..1278d44c9c2 100644
--- a/core/util.runtime/src/org/jetbrains/jet/utils/collections.kt
+++ b/core/util.runtime/src/org/jetbrains/jet/utils/collections.kt
@@ -18,6 +18,8 @@ package org.jetbrains.jet.utils
 
 import java.util.LinkedHashMap
 import java.util.ArrayList
+import java.util.HashMap
+import java.util.HashSet
 
 public fun <K, V> Stream<V>.valuesToMap(key: (V) -> K): Map<K, V> {
     val map = LinkedHashMap<K, V>()
@@ -83,4 +85,12 @@ public fun <T: Any> emptyOrSingletonList(item: T?): List<T> = if (item == null)
 
 public fun <T: Any> MutableCollection<T>.addIfNotNull(t: T?) {
     if (t != null) add(t)
-}
\ No newline at end of file
+}
+
+public fun <K, V> newHashMapWithExpectedSize(expectedSize: Int): HashMap<K, V> {
+    return HashMap(if (expectedSize < 3) 3 else expectedSize + expectedSize / 3 + 1)
+}
+
+public fun <E> newHashSetWithExpectedSize(expectedSize: Int): HashSet<E> {
+    return HashSet(if (expectedSize < 3) 3 else expectedSize + expectedSize / 3 + 1)
+}