diff --git a/README.md b/README.md
index acb869a7..fdd88490 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Spring Data Examples
 
-[![Build Status](https://travis-ci.org/spring-projects/spring-data-examples.svg?branch=issue%2F%2313)](https://travis-ci.org/spring-projects/spring-data-examples)
+[![Build Status](https://travis-ci.org/spring-projects/spring-data-examples.svg?branch=main)](https://travis-ci.org/spring-projects/spring-data-examples)
 
 This repository contains example projects for the different Spring Data modules to showcase the API and how to use the features provided by the modules.
 
@@ -82,6 +82,8 @@ We have separate folders for the samples of individual modules:
 * `sentinel` - Example for Redis Sentinel support.
 * `streams` - Example for [Redis Streams](https://redis.io/topics/streams-intro) support.
 
+Local Redis instances must be running to run the tests.
+
 ## Spring Data REST
 
 * `headers` - A sample showing the population of HTTP headers and the usage of them to perform conditional `GET` requests.
@@ -117,4 +119,4 @@ We have separate folders for the samples of individual modules:
   in the IntelliJ plugins repository and as
   a [download](https://projectlombok.org/download) for Eclipse-based IDEs.
 
-You need Java 16 or newer to run and compile the examples.
+You need Java 16 or newer and Docker to run and compile the examples. Most examples start their database via Testcontainers unless stated otherwise.
diff --git a/cassandra/util/pom.xml b/cassandra/util/pom.xml
index 8fa717fa..fc88b10a 100644
--- a/cassandra/util/pom.xml
+++ b/cassandra/util/pom.xml
@@ -35,12 +35,6 @@
 			<artifactId>java-driver-core</artifactId>
 		</dependency>
 
-		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>18.0</version>
-		</dependency>
-
 	</dependencies>
 
 </project>