diff --git a/core-java/pom.xml b/core-java/pom.xml
index 0e57b35ab8..a0a35feed9 100644
--- a/core-java/pom.xml
+++ b/core-java/pom.xml
@@ -80,7 +80,7 @@
         </dependency>
 
         <!-- logging -->
-       <dependency>
+        <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>
@@ -200,7 +200,7 @@
             <groupId>io.vavr</groupId>
             <artifactId>vavr</artifactId>
             <version>${vavr.version}</version>
-	    </dependency>
+        </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
@@ -372,30 +372,30 @@
                     </arguments>
                 </configuration>
             </plugin>
-          
+
             <plugin>
-				        <groupId>org.codehaus.mojo</groupId>
-				        <artifactId>exec-maven-plugin</artifactId>
-				        
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+
                 <executions>
-					          <execution>
-						            <id>run-benchmarks</id>
-						            <phase>integration-test</phase>
-						            <goals>
-							              <goal>exec</goal>
-						            </goals>
-						            <configuration>
-							              <classpathScope>test</classpathScope>
-							              <executable>java</executable>
-							              <arguments>
-								                <argument>-classpath</argument>
-								                <classpath />
-								                <argument>org.openjdk.jmh.Main</argument>
-								                <argument>.*</argument>
-							              </arguments>
-						            </configuration>
-					          </execution>
-				        </executions>
+                    <execution>
+                        <id>run-benchmarks</id>
+                        <phase>integration-test</phase>
+                        <goals>
+                            <goal>exec</goal>
+                        </goals>
+                        <configuration>
+                            <classpathScope>test</classpathScope>
+                            <executable>java</executable>
+                            <arguments>
+                                <argument>-classpath</argument>
+                                <classpath/>
+                                <argument>org.openjdk.jmh.Main</argument>
+                                <argument>.*</argument>
+                            </arguments>
+                        </configuration>
+                    </execution>
+                </executions>
             </plugin>
         </plugins>
 
@@ -436,7 +436,7 @@
         </profile>
     </profiles>
 
-    <properties>    	
+    <properties>
         <!-- marshalling -->
         <jackson.version>2.8.5</jackson.version>