diff --git a/core-kotlin/README.md b/core-kotlin/README.md
index c3d7b1360b..f63451bc02 100644
--- a/core-kotlin/README.md
+++ b/core-kotlin/README.md
@@ -33,5 +33,4 @@
 - [Idiomatic Logging in Kotlin](http://www.baeldung.com/kotlin-logging)
 - [Kotlin Constructors](https://www.baeldung.com/kotlin-constructors)
 - [Creational Design Patterns in Kotlin: Builder](https://www.baeldung.com/kotlin-builder-pattern)
-- [Kotlin Nested and Inner Classes](https://www.baeldung.com/kotlin-inner-classes)
-- [Guide to the Kotlin Exposed Framework](https://www.baeldung.com/kotlin-exposed-persistence)
\ No newline at end of file
+- [Kotlin Nested and Inner Classes](https://www.baeldung.com/kotlin-inner-classes)
\ No newline at end of file
diff --git a/core-kotlin/build.gradle b/core-kotlin/build.gradle
index 98729b36a4..2b6527fca7 100755
--- a/core-kotlin/build.gradle
+++ b/core-kotlin/build.gradle
@@ -6,7 +6,6 @@ version '1.0-SNAPSHOT'
 
 buildscript {
     ext.kotlin_version = '1.2.41'
-    ext.ktor_version = '0.9.2'
 
     repositories {
         mavenCentral()
@@ -44,10 +43,6 @@ sourceSets {
 }
 
 dependencies {
-    compile "io.ktor:ktor-server-netty:$ktor_version"
     compile "ch.qos.logback:logback-classic:1.2.1"
-    compile "io.ktor:ktor-gson:$ktor_version"
     testCompile group: 'junit', name: 'junit', version: '4.12'
-    implementation 'com.beust:klaxon:3.0.1'
-
 }
\ No newline at end of file
diff --git a/core-kotlin/pom.xml b/core-kotlin/pom.xml
index 88f54963ed..70cbd67645 100644
--- a/core-kotlin/pom.xml
+++ b/core-kotlin/pom.xml
@@ -12,33 +12,7 @@
         <relativePath>../parent-kotlin</relativePath>
     </parent>
 
-    <repositories>
-        <repository>
-            <id>exposed</id>
-            <name>exposed</name>
-            <url>https://dl.bintray.com/kotlin/exposed</url>
-        </repository>
-    </repositories>
-
     <dependencies>
-        <dependency>
-            <groupId>org.jetbrains.spek</groupId>
-            <artifactId>spek-api</artifactId>
-            <version>1.1.5</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.jetbrains.spek</groupId>
-            <artifactId>spek-subject-extension</artifactId>
-            <version>1.1.5</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.jetbrains.spek</groupId>
-            <artifactId>spek-junit-platform-engine</artifactId>
-            <version>1.1.5</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-math3</artifactId>
@@ -50,38 +24,12 @@
             <version>${junit.platform.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>khttp</groupId>
-            <artifactId>khttp</artifactId>
-            <version>${khttp.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.nhaarman</groupId>
-            <artifactId>mockito-kotlin</artifactId>
-            <version>${mockito-kotlin.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.github.salomonbrys.kodein</groupId>
-            <artifactId>kodein</artifactId>
-            <version>${kodein.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.beust</groupId>
-            <artifactId>klaxon</artifactId>
-            <version>${klaxon.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.jetbrains.exposed</groupId>
-            <artifactId>exposed</artifactId>
-            <version>${exposed.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
@@ -110,16 +58,11 @@
     </dependencies>
 
     <properties>
-        <mockito-kotlin.version>1.5.0</mockito-kotlin.version>
-        <kodein.version>4.1.0</kodein.version>
-        <klaxon.version>3.0.4</klaxon.version>
-        <khttp.version>0.1.0</khttp.version>
         <commons-math3.version>3.6.1</commons-math3.version>
         <junit.platform.version>1.1.1</junit.platform.version>
         <junit.vintage.version>5.2.0</junit.vintage.version>
         <assertj.version>3.10.0</assertj.version>
         <h2database.version>1.4.197</h2database.version>
-        <exposed.version>0.10.4</exposed.version>
         <fuel.version>1.15.0</fuel.version>
     </properties>
 
diff --git a/kotlin-libraries/README.md b/kotlin-libraries/README.md
index 2f505bec08..ce30c71792 100644
--- a/kotlin-libraries/README.md
+++ b/kotlin-libraries/README.md
@@ -5,6 +5,6 @@
 - [Kotlin Dependency Injection with Kodein](http://www.baeldung.com/kotlin-kodein-dependency-injection)
 - [Writing Specifications with Kotlin and Spek](http://www.baeldung.com/kotlin-spek)
 - [Processing JSON with Kotlin and Klaxson](http://www.baeldung.com/kotlin-json-klaxson)
-- [Java EE 8 Security API](http://www.baeldung.com/java-ee-8-security)
 - [Kotlin with Ktor](http://www.baeldung.com/kotlin-ktor)
 - [Idiomatic Logging in Kotlin](http://www.baeldung.com/kotlin-logging)
+- [Guide to the Kotlin Exposed Framework](https://www.baeldung.com/kotlin-exposed-persistence)
\ No newline at end of file
diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/exposed/ExposedTest.kt b/kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/exposed/ExposedTest.kt
similarity index 100%
rename from core-kotlin/src/test/kotlin/com/baeldung/kotlin/exposed/ExposedTest.kt
rename to kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/exposed/ExposedTest.kt
diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorSubjectTest5.kt b/kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorSubjectTest5.kt
similarity index 100%
rename from core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorSubjectTest5.kt
rename to kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorSubjectTest5.kt
diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorTest5.kt b/kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorTest5.kt
similarity index 100%
rename from core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorTest5.kt
rename to kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/CalculatorTest5.kt
diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/DataDrivenTest5.kt b/kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/DataDrivenTest5.kt
similarity index 100%
rename from core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/DataDrivenTest5.kt
rename to kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/DataDrivenTest5.kt
diff --git a/core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/GroupTest5.kt b/kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/GroupTest5.kt
similarity index 100%
rename from core-kotlin/src/test/kotlin/com/baeldung/kotlin/spek/GroupTest5.kt
rename to kotlin-libraries/src/test/kotlin/com/baeldung/kotlin/spek/GroupTest5.kt