diff --git a/jib/pom.xml b/jib/pom.xml
index e71250f157..ad4011c3c4 100644
--- a/jib/pom.xml
+++ b/jib/pom.xml
@@ -1,5 +1,5 @@
 <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">
+    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>
     <artifactId>jib</artifactId>
     <version>0.1-SNAPSHOT</version>
@@ -42,16 +42,4 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </repository>
-    </repositories>
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
 </project>
diff --git a/metrics/pom.xml b/metrics/pom.xml
index 79d340aa49..d7d7a8a911 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -3,8 +3,8 @@
     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>
     <artifactId>metrics</artifactId>
-	<name>metrics</name>
-	
+    <name>metrics</name>
+
     <parent>
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>
@@ -66,7 +66,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>${spring.boot.ver}</version>
+            <version>2.0.7.RELEASE</version>
         </dependency>
 
         <dependency>
@@ -85,44 +85,21 @@
             <artifactId>spectator-api</artifactId>
             <version>${spectator-api.version}</version>
         </dependency>
-        
-		<dependency>
-		    <groupId>org.assertj</groupId>
-		    <artifactId>assertj-core</artifactId>
-		    <scope>test</scope>
-		</dependency>
-        
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.11.1</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
-    <dependencyManagement>
-        <dependencies>
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <type>pom</type>
-                <scope>import</scope>
-                <version>${spring.boot.ver}</version>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
-    <repositories>
-        <repository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/libs-milestone</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
     <properties>
         <dep.ver.metrics>3.1.2</dep.ver.metrics>
         <dep.ver.servlet>3.1.0</dep.ver.servlet>
         <netflix.servo.ver>0.12.17</netflix.servo.ver>
         <micrometer.ver>0.12.0.RELEASE</micrometer.ver>
-        <spring.boot.ver>2.0.0.M5</spring.boot.ver>
         <fasterxml.jackson.version>2.9.1</fasterxml.jackson.version>
         <spectator-api.version>0.57.1</spectator-api.version>
     </properties>
diff --git a/metrics/src/main/java/com/baeldung/metrics/micrometer/MicrometerApp.java b/metrics/src/main/java/com/baeldung/metrics/micrometer/MicrometerApp.java
index cf818f6600..1d738085ce 100644
--- a/metrics/src/main/java/com/baeldung/metrics/micrometer/MicrometerApp.java
+++ b/metrics/src/main/java/com/baeldung/metrics/micrometer/MicrometerApp.java
@@ -1,10 +1,11 @@
 package com.baeldung.metrics.micrometer;
 
-import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
 
+import io.micrometer.core.instrument.binder.JvmThreadMetrics;
+
 @SpringBootApplication
 public class MicrometerApp {
 
diff --git a/persistence-modules/spring-data-gemfire/pom.xml b/persistence-modules/spring-data-gemfire/pom.xml
index 292b7387ac..dbb869acf0 100644
--- a/persistence-modules/spring-data-gemfire/pom.xml
+++ b/persistence-modules/spring-data-gemfire/pom.xml
@@ -2,10 +2,8 @@
 <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>spring-data-gemfire</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
-	<name>spring-data-gemfire</name>
+    <name>spring-data-gemfire</name>
     <packaging>jar</packaging>
 
     <parent>
@@ -54,14 +52,6 @@
     </dependencies>
 
     <repositories>
-        <repository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>http://repo.spring.io/libs-snapshot</url>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
         <repository>
             <id>gemstone</id>
             <url>http://dist.gemstone.com.s3.amazonaws.com/maven/release/</url>
diff --git a/persistence-modules/spring-data-mongodb/pom.xml b/persistence-modules/spring-data-mongodb/pom.xml
index 76ec5a96a6..63b9c3c1b0 100644
--- a/persistence-modules/spring-data-mongodb/pom.xml
+++ b/persistence-modules/spring-data-mongodb/pom.xml
@@ -1,9 +1,7 @@
 <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>spring-data-mongodb</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>spring-data-mongodb</name>
 
     <parent>
@@ -23,7 +21,7 @@
         <dependency>
             <groupId>org.springframework.data</groupId>
             <artifactId>spring-data-releasetrain</artifactId>
-            <version>Lovelace-M3</version>
+            <version>Lovelace-SR3</version>
             <type>pom</type>
             <scope>import</scope>
         </dependency>
@@ -76,17 +74,6 @@
         </dependency>
     </dependencies>
 
-    <repositories>
-        <repository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/milestone</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
     <build>
         <plugins>
             <plugin>
diff --git a/spring-cloud-data-flow/etl/customer-mongodb-sink/pom.xml b/spring-cloud-data-flow/etl/customer-mongodb-sink/pom.xml
index 392244dc84..1f16a02a98 100644
--- a/spring-cloud-data-flow/etl/customer-mongodb-sink/pom.xml
+++ b/spring-cloud-data-flow/etl/customer-mongodb-sink/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<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>
 
@@ -17,13 +16,6 @@
         <relativePath>../../../parent-boot-2</relativePath>
     </parent>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.8</java.version>
-        <spring-cloud.version>Greenwich.M3</spring-cloud.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
@@ -81,5 +73,11 @@
         </repository>
     </repositories>
 
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <spring-cloud.version>Greenwich.M3</spring-cloud.version>
+    </properties>
 
 </project>
diff --git a/spring-cloud-data-flow/etl/customer-transform/pom.xml b/spring-cloud-data-flow/etl/customer-transform/pom.xml
index 0e429cb593..ed281b420a 100644
--- a/spring-cloud-data-flow/etl/customer-transform/pom.xml
+++ b/spring-cloud-data-flow/etl/customer-transform/pom.xml
@@ -1,11 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<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>
 
     <artifactId>customer-transform</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>customer-transform</name>
@@ -18,13 +16,6 @@
         <relativePath>../../../parent-boot-2</relativePath>
     </parent>
 
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>1.8</java.version>
-        <spring-cloud.version>Greenwich.M3</spring-cloud.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>org.springframework.cloud</groupId>
@@ -74,4 +65,11 @@
         </repository>
     </repositories>
 
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <spring-cloud.version>Greenwich.M3</spring-cloud.version>
+    </properties>
+
 </project>
diff --git a/spring-cloud/spring-cloud-vault/pom.xml b/spring-cloud/spring-cloud-vault/pom.xml
index 3a7198ecc3..363de6e107 100644
--- a/spring-cloud/spring-cloud-vault/pom.xml
+++ b/spring-cloud/spring-cloud-vault/pom.xml
@@ -1,88 +1,72 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <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>
+    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>org.baeldung.spring.cloud</groupId>
-	<artifactId>spring-cloud-vault</artifactId>
-	<packaging>jar</packaging>
+    <groupId>org.baeldung.spring.cloud</groupId>
+    <artifactId>spring-cloud-vault</artifactId>
+    <packaging>jar</packaging>
 
-	<name>spring-cloud-vault</name>
-	<description>Demo project for Spring Boot</description>
+    <name>spring-cloud-vault</name>
+    <description>Demo project for Spring Boot</description>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-boot-2</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../../parent-boot-2</relativePath>
-	</parent>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
 
-	<!-- <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> 
-		<version>2.0.4.RELEASE</version> <relativePath/> </parent> -->
+    <dependencies>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>1.8</java.version>
-		<spring-cloud.version>Greenwich.M3</spring-cloud.version>
-	</properties>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-vault-config</artifactId>
+        </dependency>
 
-	<dependencies>
-	
-		
-		
-		
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-starter-vault-config</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-vault-config-databases</artifactId>
+        </dependency>
 
-		<dependency>
-		  <groupId>org.springframework.cloud</groupId>
-		  <artifactId>spring-cloud-vault-config-databases</artifactId>
-		</dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
 
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+        </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+        </dependency>
+    </dependencies>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
 
-		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
-		</dependency>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
 
-
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-jdbc</artifactId>
-		</dependency>
-	</dependencies>
-
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.springframework.cloud</groupId>
-				<artifactId>spring-cloud-dependencies</artifactId>
-				<version>${spring-cloud.version}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-			</plugin>
-		</plugins>
-	</build>
-    
     <repositories>
         <repository>
             <id>spring-milestones</id>
@@ -94,5 +78,11 @@
         </repository>
     </repositories>
 
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <spring-cloud.version>Greenwich.M3</spring-cloud.version>
+    </properties>
 
 </project>
diff --git a/spring-mobile/pom.xml b/spring-mobile/pom.xml
index d65820594f..4b04c3b8d5 100644
--- a/spring-mobile/pom.xml
+++ b/spring-mobile/pom.xml
@@ -32,20 +32,4 @@
         </dependency>
     </dependencies>
 
-    <repositories>
-        <repository>
-            <id>spring-releases</id>
-            <name>Spring Milestone Repository</name>
-            <url>https://repo.spring.io/libs-release</url>
-        </repository>
-    </repositories>
-
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <name>Spring Milestone Repository</name>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
-
 </project>
diff --git a/spring-reactor/pom.xml b/spring-reactor/pom.xml
index f6db404656..e828c44f74 100644
--- a/spring-reactor/pom.xml
+++ b/spring-reactor/pom.xml
@@ -30,23 +30,4 @@
         </dependency>
     </dependencies>
 
-    <repositories>
-        <repository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>https://repo.spring.io/libs-snapshot</url>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <name>Spring Releases</name>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
-
 </project>
diff --git a/spring-security-stormpath/pom.xml b/spring-security-stormpath/pom.xml
index 5c5783eec5..4f19921fbd 100644
--- a/spring-security-stormpath/pom.xml
+++ b/spring-security-stormpath/pom.xml
@@ -35,14 +35,6 @@
         </dependency>
     </dependencies>
 
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <name>Spring Releases</name>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
-
     <build>
         <finalName>spring-security-stormpath</finalName>
         <resources>
diff --git a/spring-sleuth/pom.xml b/spring-sleuth/pom.xml
index 5ce9e07858..dd4477c551 100644
--- a/spring-sleuth/pom.xml
+++ b/spring-sleuth/pom.xml
@@ -6,8 +6,8 @@
     <artifactId>spring-sleuth</artifactId>
     <version>1.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
-	<name>spring-sleuth</name>
-	
+    <name>spring-sleuth</name>
+
     <parent>
         <artifactId>parent-boot-1</artifactId>
         <groupId>com.baeldung</groupId>
@@ -38,19 +38,8 @@
         </dependencies>
     </dependencyManagement>
 
-    <repositories>
-        <repository>
-            <id>spring-milestones</id>
-            <name>Spring Milestones</name>
-            <url>https://repo.spring.io/libs-milestone</url>
-            <snapshots>
-                <enabled>false</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
     <properties>
-        <spring-cloud-sleuth.version>2.0.0.M7</spring-cloud-sleuth.version>
+        <spring-cloud-sleuth.version>2.0.2.RELEASE</spring-cloud-sleuth.version>
     </properties>
 
 </project>
diff --git a/spring-webflux-amqp/pom.xml b/spring-webflux-amqp/pom.xml
index 4faa165c50..0868e14717 100755
--- a/spring-webflux-amqp/pom.xml
+++ b/spring-webflux-amqp/pom.xml
@@ -60,23 +60,4 @@
         </plugins>
     </build>
 
-    <repositories>
-        <repository>
-            <id>spring-snapshots</id>
-            <name>Spring Snapshots</name>
-            <url>https://repo.spring.io/libs-snapshot</url>
-            <snapshots>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-    </repositories>
-
-    <pluginRepositories>
-        <pluginRepository>
-            <id>spring-releases</id>
-            <name>Spring Releases</name>
-            <url>https://repo.spring.io/libs-release</url>
-        </pluginRepository>
-    </pluginRepositories>
-
 </project>