diff --git a/pom.xml b/pom.xml
index 72c56f3..74412fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
 		<source.level>1.8</source.level>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		
-		<assertj.version>3.12.2</assertj.version>
+		<assertj.version>3.9.1</assertj.version>
 		<flapdoodle.version>2.2.0</flapdoodle.version>
 		<hamcrest.version>1.3</hamcrest.version>
 		<jackson.version>2.9.1</jackson.version>
diff --git a/settings.xml b/settings.xml
deleted file mode 100644
index 829f33c..0000000
--- a/settings.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
-		  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
-                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
-
-	<servers>
-		<server>
-			<id>sonatype-nexus-snapshots</id>
-			<username>${env.USERNAME}</username>
-			<password>${env.PASSWORD}</password>
-		</server>
-		<server>
-			<id>sonatype-nexus-staging</id>
-			<username>${env.USERNAME}</username>
-			<password>${env.PASSWORD}</password>
-		</server>
-	</servers>
-
-</settings>
\ No newline at end of file