diff --git a/workshop/pom.xml b/workshop/pom.xml
index 7ce1abf7..6e2f09c2 100644
--- a/workshop/pom.xml
+++ b/workshop/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>tech.picnic.error-prone-support</groupId>
         <artifactId>error-prone-support</artifactId>
-        <version>0.19.2-SNAPSHOT</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>workshop</artifactId>
@@ -16,27 +16,27 @@
 
     <dependencies>
         <dependency>
-            <groupId>${groupId.error-prone}</groupId>
+            <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_annotation</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>${groupId.error-prone}</groupId>
+            <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_annotations</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>${groupId.error-prone}</groupId>
+            <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_check_api</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>${groupId.error-prone}</groupId>
+            <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_core</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>${groupId.error-prone}</groupId>
+            <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_test_helpers</artifactId>
             <scope>provided</scope>
         </dependency>
diff --git a/workshop/src/main/java/tech/picnic/errorprone/workshop/refasterrules/WorkshopAssignment0Rules.java b/workshop/src/main/java/tech/picnic/errorprone/workshop/refasterrules/WorkshopAssignment0Rules.java
index 8e39bddd..73a57e89 100644
--- a/workshop/src/main/java/tech/picnic/errorprone/workshop/refasterrules/WorkshopAssignment0Rules.java
+++ b/workshop/src/main/java/tech/picnic/errorprone/workshop/refasterrules/WorkshopAssignment0Rules.java
@@ -2,7 +2,6 @@ package tech.picnic.errorprone.workshop.refasterrules;
 
 import com.google.errorprone.refaster.annotation.AfterTemplate;
 import com.google.errorprone.refaster.annotation.BeforeTemplate;
-import org.springframework.context.annotation.Bean;
 
 /** Refaster rule used as example for the assignments of the workshop. */
 final class WorkshopAssignment0Rules {