diff --git a/build.gradle b/build.gradle
index 8aed2a42830..37edf2f9d4c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -41,8 +41,6 @@ group = "org.jabref"
 version = project.findProperty('projVersion') ?: '100.0.0'
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_21
-    targetCompatibility = JavaVersion.VERSION_21
     // Workaround needed for Eclipse, probably because of https://github.com/gradle/gradle/issues/16922
     // Should be removed as soon as Gradle 7.0.1 is released ( https://github.com/gradle/gradle/issues/16922#issuecomment-828217060 )
     modularity.inferModulePath.set(false)
@@ -51,6 +49,7 @@ java {
         // If this is updated, also update
         // - .devcontainer/devcontainer.json#L34 and
         // - .gitpod.Dockerfile
+        // This setting also sets sourceCompatibility and targetCompatibility
         languageVersion = JavaLanguageVersion.of(21)
     }
 }