diff --git a/ddd/pom.xml b/ddd/pom.xml
index 4ac65ea841..c249007ba4 100644
--- a/ddd/pom.xml
+++ b/ddd/pom.xml
@@ -3,7 +3,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.ddd</groupId>
     <artifactId>ddd</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>ddd</name>
     <packaging>jar</packaging>
     <description>DDD series examples</description>
@@ -35,7 +34,6 @@
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-launcher</artifactId>
-            <version>${junit-platform.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -85,8 +83,6 @@
 
     <properties>
         <joda-money.version>1.0.1</joda-money.version>
-        <maven-surefire-plugin.version>2.22.0</maven-surefire-plugin.version>
-        <spring-boot.version>2.0.6.RELEASE</spring-boot.version>
     </properties>
 	
 </project>
\ No newline at end of file
diff --git a/disruptor/pom.xml b/disruptor/pom.xml
index e1d78e7ed6..a4859d4bae 100644
--- a/disruptor/pom.xml
+++ b/disruptor/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>disruptor</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>disruptor</name>
@@ -15,11 +14,6 @@
 
     <dependencies>
         <!-- utils -->
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.lmax</groupId>
             <artifactId>disruptor</artifactId>
@@ -116,10 +110,7 @@
     <properties>
         <!-- util -->
         <disruptor.version>3.3.6</disruptor.version>
-        <!-- testing -->
-        <testng.version>6.10</testng.version>
-        <assertj.version>3.6.1</assertj.version>
-        
+        <!-- testing -->        
         <maven-shade-plugin.version>2.4.3</maven-shade-plugin.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
diff --git a/dozer/pom.xml b/dozer/pom.xml
index 8234eb4c79..c781962d83 100644
--- a/dozer/pom.xml
+++ b/dozer/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>dozer</artifactId>
     <version>1.0</version>
     <name>dozer</name>
diff --git a/dubbo/pom.xml b/dubbo/pom.xml
index 9fe228bf89..947175b6a0 100644
--- a/dubbo/pom.xml
+++ b/dubbo/pom.xml
@@ -32,7 +32,6 @@
         <dubbo.version>2.5.7</dubbo.version>
         <zookeeper.version>3.4.11</zookeeper.version>
         <zkclient.version>0.10</zkclient.version>
-        <surefire.version>2.19.1</surefire.version>
     </properties>
 
 </project>
diff --git a/ethereum/pom.xml b/ethereum/pom.xml
index 80e1c04676..f4850df844 100644
--- a/ethereum/pom.xml
+++ b/ethereum/pom.xml
@@ -3,7 +3,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.ethereum</groupId>
     <artifactId>ethereum</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>ethereum</name>
 
     <parent>
@@ -207,8 +206,6 @@
     </repositories>
 
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <tomcat.version>8.5.4</tomcat.version>
         <ethereumj-core.version>1.5.0-RELEASE</ethereumj-core.version>
         <web3j.core.version>3.3.1</web3j.core.version>
         <spring.boot.version>1.5.6.RELEASE</spring.boot.version>
diff --git a/flyway-cdi-extension/pom.xml b/flyway-cdi-extension/pom.xml
index e8b327e35f..49bd6bd9fd 100644
--- a/flyway-cdi-extension/pom.xml
+++ b/flyway-cdi-extension/pom.xml
@@ -3,7 +3,6 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>flyway-cdi-extension</artifactId>
     <version>1.0-SNAPSHOT</version>
     <name>flyway-cdi-extension</name>
@@ -51,8 +50,6 @@
     </dependencies>
 
     <properties>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
 		<cdi-api.version>2.0.SP1</cdi-api.version>
 		<weld-se-core.version>3.0.5.Final</weld-se-core.version>
 		<flyway-core.version>5.1.4</flyway-core.version>
diff --git a/google-web-toolkit/pom.xml b/google-web-toolkit/pom.xml
index 0723cd3be2..8a7cb87701 100644
--- a/google-web-toolkit/pom.xml
+++ b/google-web-toolkit/pom.xml
@@ -5,7 +5,6 @@
 
 	<!-- POM file generated with GWT webAppCreator -->
 	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.baeldung</groupId>
 	<artifactId>google-web-toolkit</artifactId>
 	<version>1.0-SNAPSHOT</version>
 	<name>google-web-toolkit</name>
diff --git a/gson/pom.xml b/gson/pom.xml
index 9d2cf630d0..4aa6c00458 100644
--- a/gson/pom.xml
+++ b/gson/pom.xml
@@ -2,7 +2,6 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>gson</artifactId>
     <version>0.1-SNAPSHOT</version>
     <name>gson</name>
diff --git a/guava-collections-map/pom.xml b/guava-collections-map/pom.xml
index 45bb6b8caa..21597d0e28 100644
--- a/guava-collections-map/pom.xml
+++ b/guava-collections-map/pom.xml
@@ -13,9 +13,6 @@
         <relativePath>../parent-java</relativePath>
     </parent>
 
-    <dependencies>
-    </dependencies>
-
     <build>
         <finalName>guava-collections-map</finalName>
         <resources>
@@ -26,7 +23,4 @@
         </resources>
     </build>
 
-    <properties>
-    </properties>
-
 </project>
\ No newline at end of file
diff --git a/guava-collections-set/pom.xml b/guava-collections-set/pom.xml
index 46dcae492d..640a28c4c1 100644
--- a/guava-collections-set/pom.xml
+++ b/guava-collections-set/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>guava-collections-set</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections-set</name>
@@ -28,8 +27,6 @@
     </build>
 
     <properties>
-        <!-- util -->
-        <guava.version>27.1-jre</guava.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
     </properties>
diff --git a/guava-collections/pom.xml b/guava-collections/pom.xml
index 8cdb086029..9dfcceaab8 100644
--- a/guava-collections/pom.xml
+++ b/guava-collections/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>guava-collections</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>guava-collections</name>
@@ -54,7 +53,6 @@
 
     <properties>
         <!-- util -->
-        <guava.version>24.0-jre</guava.version>
         <commons-collections4.version>4.1</commons-collections4.version>
 
         <!-- testing -->
diff --git a/guava-io/pom.xml b/guava-io/pom.xml
index 2a66baba80..aaaf7edd4e 100644
--- a/guava-io/pom.xml
+++ b/guava-io/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>guava-io</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>guava-io</name>
diff --git a/guava-modules/guava-18/pom.xml b/guava-modules/guava-18/pom.xml
index d55aa9ce82..199d735a41 100644
--- a/guava-modules/guava-18/pom.xml
+++ b/guava-modules/guava-18/pom.xml
@@ -13,8 +13,4 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <properties>
-        <guava.version>18.0</guava.version>
-    </properties>
-
 </project>
\ No newline at end of file
diff --git a/guava-modules/guava-19/pom.xml b/guava-modules/guava-19/pom.xml
index 0548bb0c1f..c431f78cf7 100644
--- a/guava-modules/guava-19/pom.xml
+++ b/guava-modules/guava-19/pom.xml
@@ -13,8 +13,4 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <properties>
-        <guava.version>19.0</guava.version>
-    </properties>
-
 </project>
\ No newline at end of file
diff --git a/guava-modules/guava-21/pom.xml b/guava-modules/guava-21/pom.xml
index bdb1058a48..150ce2d4d2 100644
--- a/guava-modules/guava-21/pom.xml
+++ b/guava-modules/guava-21/pom.xml
@@ -22,7 +22,6 @@
     </dependencies>
 
     <properties>
-        <guava.version>21.0</guava.version>
         <jool.version>0.9.12</jool.version>
     </properties>
 
diff --git a/guava/pom.xml b/guava/pom.xml
index 3a19901a02..fb8989111c 100644
--- a/guava/pom.xml
+++ b/guava/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>guava</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>guava</name>
@@ -41,9 +40,6 @@
     </build>
 
     <properties>
-        <!-- util -->
-        <guava.version>24.0-jre</guava.version>
-
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
     </properties>
diff --git a/hazelcast/pom.xml b/hazelcast/pom.xml
index 705792ad05..9e0b0671d0 100644
--- a/hazelcast/pom.xml
+++ b/hazelcast/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>hazelcast</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>hazelcast</name>
diff --git a/httpclient-simple/pom.xml b/httpclient-simple/pom.xml
index b2b0f98dd1..183c4438de 100644
--- a/httpclient-simple/pom.xml
+++ b/httpclient-simple/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>httpclient-simple</artifactId>
     <version>0.1-SNAPSHOT</version>
     <name>httpclient-simple</name>
diff --git a/httpclient/pom.xml b/httpclient/pom.xml
index 8cd483cfc6..6316ee4eed 100644
--- a/httpclient/pom.xml
+++ b/httpclient/pom.xml
@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>httpclient</artifactId>
     <version>0.1-SNAPSHOT</version>
     <name>httpclient</name>
@@ -48,11 +47,6 @@
             <artifactId>httpmime</artifactId>
             <version>${httpclient.version}</version>
         </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpasyncclient</artifactId>
@@ -82,51 +76,12 @@
         </resources>
     </build>
 
-    <profiles>
-        <profile>
-            <id>live</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-surefire-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>integration-test</phase>
-                                <goals>
-                                    <goal>test</goal>
-                                </goals>
-                                <configuration>
-                                    <excludes>
-                                        <exclude>**/*ManualTest.java</exclude>
-                                    </excludes>
-                                    <includes>
-                                        <include>**/*LiveTest.java</include>
-                                    </includes>
-                                </configuration>
-                            </execution>
-                        </executions>
-                        <configuration>
-                            <systemPropertyVariables>
-                                <test.mime>json</test.mime>
-                            </systemPropertyVariables>
-                        </configuration>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-    </profiles>
-
     <properties>
         <!-- util -->
-        <guava.version>19.0</guava.version>
-        <commons-codec.version>1.10</commons-codec.version>
         <httpasyncclient.version>4.1.4</httpasyncclient.version>
         <!-- testing -->
         <wiremock.version>2.5.1</wiremock.version>
         <httpclient.version>4.5.8</httpclient.version> <!-- 4.3.6 --> <!-- 4.4-beta1 -->
-        <!-- maven plugins -->
-        <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/hystrix/pom.xml b/hystrix/pom.xml
index e08af2c40f..4aeb47f095 100644
--- a/hystrix/pom.xml
+++ b/hystrix/pom.xml
@@ -41,23 +41,11 @@
             <artifactId>hystrix-metrics-event-stream</artifactId>
             <version>${hystrix-metrics-event-stream.version}</version>
         </dependency>
-        <!--<dependency> <groupId>com.netflix.hystrix</groupId> <artifactId>hystrix-dashboard</artifactId> <version>${hystrix-dashboard.version}</version> </dependency> -->
         <dependency>
             <groupId>com.netflix.rxjava</groupId>
             <artifactId>rxjava-core</artifactId>
             <version>${rxjava-core.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.hamcrest</groupId>
-            <artifactId>hamcrest-all</artifactId>
-            <version>${hamcrest-all.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <properties>
@@ -65,9 +53,7 @@
         <hystrix-core.version>1.5.8</hystrix-core.version>
         <rxjava-core.version>0.20.7</rxjava-core.version>
         <!-- maven plugins -->
-        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
         <hystrix-metrics-event-stream.version>1.5.8</hystrix-metrics-event-stream.version>
-        <hystrix-dashboard.version>1.5.8</hystrix-dashboard.version>
     </properties>
 
 </project>