diff --git a/app/build.gradle b/app/build.gradle
index 84e7d318..c8bbcf12 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -24,7 +24,6 @@ apply plugin: 'com.android.application'
 apply plugin: 'maven'
 apply plugin: 'signing'
 apply plugin: 'com.neenbedankt.android-apt'
-apply plugin: 'com.jakewharton.hugo'
 
 android {
     compileSdkVersion 23
diff --git a/app/src/main/java/org/solovyev/android/calculator/BaseFragment.java b/app/src/main/java/org/solovyev/android/calculator/BaseFragment.java
index 563d020f..54b0050a 100644
--- a/app/src/main/java/org/solovyev/android/calculator/BaseFragment.java
+++ b/app/src/main/java/org/solovyev/android/calculator/BaseFragment.java
@@ -4,7 +4,6 @@ import android.os.Bundle;
 import android.support.annotation.StringRes;
 import android.support.v4.app.Fragment;
 import android.view.*;
-import hugo.weaving.DebugLog;
 
 import javax.annotation.Nonnull;
 
@@ -15,7 +14,6 @@ public abstract class BaseFragment extends Fragment {
 
     protected FragmentUi ui;
 
-    @DebugLog
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -35,7 +33,6 @@ public abstract class BaseFragment extends Fragment {
     protected void inject(@Nonnull AppComponent component) {
     }
 
-    @DebugLog
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         final View view = ui.onCreateView(inflater, container);
diff --git a/app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java b/app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java
index a47309b3..0c39b273 100644
--- a/app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java
+++ b/app/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java
@@ -36,7 +36,6 @@ import android.view.*;
 import android.widget.TextView;
 import butterknife.Bind;
 import butterknife.ButterKnife;
-import hugo.weaving.DebugLog;
 import org.solovyev.android.Activities;
 import org.solovyev.android.Android;
 import org.solovyev.android.calculator.history.History;
@@ -153,7 +152,6 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
         return result;
     }
 
-    @DebugLog
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
@@ -205,7 +203,6 @@ public class CalculatorActivity extends BaseActivity implements SharedPreference
         }
     }
 
-    @DebugLog
     @Override
     protected void inject(@Nonnull AppComponent component) {
         super.inject(component);
diff --git a/app/src/main/java/org/solovyev/android/calculator/CalculatorApplication.java b/app/src/main/java/org/solovyev/android/calculator/CalculatorApplication.java
index 0d11aa1e..607d3de9 100644
--- a/app/src/main/java/org/solovyev/android/calculator/CalculatorApplication.java
+++ b/app/src/main/java/org/solovyev/android/calculator/CalculatorApplication.java
@@ -26,9 +26,9 @@ import android.content.SharedPreferences;
 import android.os.Handler;
 import android.preference.PreferenceManager;
 import android.util.Log;
+import android.util.TimingLogger;
 import com.squareup.leakcanary.LeakCanary;
 import com.squareup.otto.Bus;
-import hugo.weaving.DebugLog;
 import jscl.MathEngine;
 import org.acra.ACRA;
 import org.acra.ACRAConfiguration;
@@ -99,20 +99,31 @@ public class CalculatorApplication extends android.app.Application implements Sh
     @Inject
     ActivityLauncher launcher;
 
-    @DebugLog
+    @Nonnull
+    private final TimingLogger timer = new TimingLogger("App", "onCreate");
+
     @Override
     public void onCreate() {
+        timer.reset();
+
         final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
         final Languages languages = new Languages(preferences);
+        timer.addSplit("languages");
 
         onPreCreate(preferences, languages);
+        timer.addSplit("onPreCreate");
+
         super.onCreate();
+        timer.addSplit("super.onCreate");
 
         initDagger();
+        timer.addSplit("initDagger");
+
         onPostCreate(preferences, languages);
+        timer.addSplit("onPostCreate");
+        timer.dumpToLog();
     }
 
-    @DebugLog
     private void initDagger() {
         component = DaggerAppComponent.builder()
                 .appModule(new AppModule(this))
@@ -122,7 +133,6 @@ public class CalculatorApplication extends android.app.Application implements Sh
         history.init(initThread);
     }
 
-    @DebugLog
     private void onPostCreate(@Nonnull SharedPreferences preferences, @Nonnull Languages languages) {
         App.init(this, languages);
 
@@ -157,7 +167,6 @@ public class CalculatorApplication extends android.app.Application implements Sh
         }
     }
 
-    @DebugLog
     private void onPreCreate(@Nonnull SharedPreferences preferences, @Nonnull Languages languages) {
         // first we need to setup crash handler and memory leak analyzer
         if (AcraErrorReporter.ENABLED) {
diff --git a/app/src/main/java/org/solovyev/android/calculator/DisplayView.java b/app/src/main/java/org/solovyev/android/calculator/DisplayView.java
index e042dfd8..1dd07255 100644
--- a/app/src/main/java/org/solovyev/android/calculator/DisplayView.java
+++ b/app/src/main/java/org/solovyev/android/calculator/DisplayView.java
@@ -28,7 +28,6 @@ import android.content.res.Resources;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.AttributeSet;
-import hugo.weaving.DebugLog;
 import org.solovyev.android.Check;
 import org.solovyev.android.calculator.text.TextProcessor;
 import org.solovyev.android.calculator.text.TextProcessorEditorResult;
@@ -40,7 +39,6 @@ import javax.annotation.Nonnull;
 import static android.util.TypedValue.COMPLEX_UNIT_SP;
 import static android.util.TypedValue.applyDimension;
 
-@DebugLog
 public class DisplayView extends AutoResizeTextView {
 
     @Nonnull
diff --git a/app/src/main/java/org/solovyev/android/calculator/Editor.java b/app/src/main/java/org/solovyev/android/calculator/Editor.java
index 6226e6ed..71adbea7 100644
--- a/app/src/main/java/org/solovyev/android/calculator/Editor.java
+++ b/app/src/main/java/org/solovyev/android/calculator/Editor.java
@@ -27,7 +27,6 @@ import android.content.SharedPreferences;
 import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
 
-import hugo.weaving.DebugLog;
 import org.solovyev.android.Check;
 import org.solovyev.android.calculator.text.TextProcessorEditorResult;
 import org.solovyev.android.calculator.view.EditorTextProcessor;
@@ -56,7 +55,6 @@ public class Editor {
         textProcessor = new EditorTextProcessor(preferences);
     }
 
-    @DebugLog
     public void init() {
         bus.register(this);
     }
diff --git a/app/src/main/java/org/solovyev/android/calculator/Preferences.java b/app/src/main/java/org/solovyev/android/calculator/Preferences.java
index 5eebee77..bec5d51a 100644
--- a/app/src/main/java/org/solovyev/android/calculator/Preferences.java
+++ b/app/src/main/java/org/solovyev/android/calculator/Preferences.java
@@ -31,7 +31,6 @@ import android.support.annotation.LayoutRes;
 import android.support.annotation.StyleRes;
 import android.util.SparseArray;
 import android.view.ContextThemeWrapper;
-import hugo.weaving.DebugLog;
 import jscl.AngleUnit;
 import jscl.NumeralBase;
 import org.solovyev.android.Check;
@@ -60,7 +59,6 @@ public final class Preferences {
         throw new AssertionError();
     }
 
-    @DebugLog
     static void setDefaultValues(@Nonnull SharedPreferences preferences) {
         // renew value after each application start
         Gui.showFixableErrorDialog.putDefault(preferences);
diff --git a/app/src/main/java/org/solovyev/android/calculator/history/History.java b/app/src/main/java/org/solovyev/android/calculator/history/History.java
index 9c8e29a6..4f232793 100644
--- a/app/src/main/java/org/solovyev/android/calculator/history/History.java
+++ b/app/src/main/java/org/solovyev/android/calculator/history/History.java
@@ -30,7 +30,6 @@ import android.text.TextUtils;
 import com.google.common.base.Strings;
 import com.squareup.otto.Bus;
 import com.squareup.otto.Subscribe;
-import hugo.weaving.DebugLog;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.solovyev.android.Check;
@@ -158,7 +157,6 @@ public class History {
     public History() {
     }
 
-    @DebugLog
     public void init(@NonNull Executor initThread) {
         Check.isMainThread();
         bus.register(this);
diff --git a/build.gradle b/build.gradle
index 5fbecdbf..9605ba73 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,6 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:1.5.0'
         classpath 'com.neenbedankt.gradle.plugins:android-apt:1.4'
-        classpath 'com.jakewharton.hugo:hugo-plugin:1.2.1'
     }
 }