diff --git a/app/build.gradle b/app/build.gradle
index ec0e3ab..e5cb088 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,18 +32,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.core:core-ktx:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
-    implementation (project(path: ':varddb')) {
-        transitive = true
-    }
+    implementation (project(path: ':varddb'))
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.2'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.2'
-    implementation "androidx.appcompat:appcompat:1.1.0"
-    implementation "androidx.core:core-ktx:1.1.0"
-    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0-rc03"
-    implementation "de.ruedigermoeller:fst:2.56"
-    implementation "com.tencent:mmkv:1.0.23"
 }
diff --git a/build.gradle b/build.gradle
index d3f4f20..b08e781 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,6 +20,7 @@ allprojects {
     repositories {
         google()
         jcenter()
+        maven { url 'https://jitpack.io' }
 
     }
 }
diff --git a/gradle.properties b/gradle.properties
index 5bb7475..e391044 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,4 +20,4 @@ android.enableJetifier=true
 # Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
 
-lib_version=0.1.1
+lib_version=0.1.2
diff --git a/varddb/build.gradle b/varddb/build.gradle
index 5a23847..c434992 100644
--- a/varddb/build.gradle
+++ b/varddb/build.gradle
@@ -38,12 +38,9 @@ dependencies {
     //implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.2'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.2'
-    implementation "androidx.appcompat:appcompat:1.1.0"
-    implementation "androidx.core:core-ktx:1.1.0"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0-rc03"
-    implementation "de.ruedigermoeller:fst:2.56"
-    implementation "com.tencent:mmkv:1.0.23"
+    api "de.ruedigermoeller:fst:2.56"
+    api "com.tencent:mmkv:1.0.23"
 }
 
 repositories {
diff --git a/varddb/src/main/java/com/vardemin/varddb/LiveDataUtil.kt b/varddb/src/main/java/com/vardemin/varddb/LiveDataUtil.kt
deleted file mode 100644
index f54a321..0000000
--- a/varddb/src/main/java/com/vardemin/varddb/LiveDataUtil.kt
+++ /dev/null
@@ -1,81 +0,0 @@
-package com.vardemin.varddb
-
-import androidx.annotation.MainThread
-import androidx.collection.ArraySet
-import androidx.lifecycle.LifecycleOwner
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.Observer
-
-class MutableLiveEvent<T : EventArgs<Any>> : MutableLiveData<T>() {
-
-    internal val observers = ArraySet<PendingObserver<in T>>()
-
-    @MainThread
-    override fun observe(owner: LifecycleOwner, observer: Observer<in T>) {
-        val wrapper = PendingObserver(observer)
-        observers.add(wrapper)
-
-        super.observe(owner, wrapper)
-    }
-
-    override fun observeForever(observer: Observer<in T>) {
-        val wrapper = PendingObserver(observer)
-        observers.add(wrapper)
-
-        super.observeForever(observer)
-    }
-
-    @MainThread
-    override fun removeObserver(observer: Observer<in T>) {
-
-        when (observer) {
-            is PendingObserver -> {
-                observers.remove(observer)
-                super.removeObserver(observer)
-            }
-            else -> {
-                val pendingObserver = observers.firstOrNull { it.wrappedObserver == observer }
-                if (pendingObserver != null) {
-                    observers.remove(pendingObserver)
-                    super.removeObserver(pendingObserver)
-                }
-            }
-        }
-    }
-
-    @MainThread
-    override fun setValue(event: T?) {
-        observers.forEach { it.awaitValue() }
-        super.setValue(event)
-    }
-}
-
-internal class PendingObserver<T : EventArgs<Any>>(val wrappedObserver: Observer<in T>) : Observer<T> {
-
-    private var pending = false
-
-    override fun onChanged(event: T?) {
-        if (pending && event?.handled != true) {
-            pending = false
-            wrappedObserver.onChanged(event)
-        }
-    }
-
-    fun awaitValue() {
-        pending = true
-    }
-}
-
-open class EventArgs<out T>(private val content: T?) {
-
-    var handled: Boolean = false
-
-    val data: T?
-        get() {
-            return if (handled) {
-                null
-            } else {
-                content
-            }
-        }
-}
\ No newline at end of file