diff --git a/src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java b/src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java
index bac185780..8c2e181b7 100644
--- a/src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java
+++ b/src/main/java/org/springframework/data/repository/config/DefaultRepositoryConfiguration.java
@@ -161,7 +161,7 @@ public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSou
 	public String getRepositoryFactoryBeanClassName() {
 
 		return configurationSource.getRepositoryFactoryBeanClassName()
-				.orElseGet(() -> extension.getRepositoryFactoryBeanClassName());
+				.orElseGet(extension::getRepositoryFactoryBeanClassName);
 	}
 
 	/*
@@ -173,6 +173,15 @@ public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSou
 		return definition.isLazyInit() || !configurationSource.getBootstrapMode().equals(BootstrapMode.DEFAULT);
 	}
 
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.data.repository.config.RepositoryConfiguration#isPrimary()
+	 */
+	@Override
+	public boolean isPrimary() {
+		return definition.isPrimary();
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.repository.config.RepositoryConfiguration#getExcludeFilters()
@@ -205,13 +214,4 @@ public class DefaultRepositoryConfiguration<T extends RepositoryConfigurationSou
 
 		return toImplementationDetectionConfiguration(factory).forRepositoryConfiguration(this);
 	}
-
-	/*
-	 * (non-Javadoc)
-	 * @see org.springframework.data.repository.config.RepositoryConfiguration#isPrimary()
-	 */
-	@Override
-	public boolean isPrimary() {
-		return definition.isPrimary();
-	}
 }
diff --git a/src/main/java/org/springframework/data/repository/config/RepositoryConfiguration.java b/src/main/java/org/springframework/data/repository/config/RepositoryConfiguration.java
index 59d68eac3..503c49fee 100644
--- a/src/main/java/org/springframework/data/repository/config/RepositoryConfiguration.java
+++ b/src/main/java/org/springframework/data/repository/config/RepositoryConfiguration.java
@@ -106,6 +106,14 @@ public interface RepositoryConfiguration<T extends RepositoryConfigurationSource
 	 */
 	boolean isLazyInit();
 
+	/**
+	 * Returns whether the repository is the primary one for its type.
+	 *
+	 * @return {@literal true} whether the repository is the primary one for its type.
+	 * @since 2.3
+	 */
+	boolean isPrimary();
+
 	/**
 	 * Returns the {@link TypeFilter}s to be used to exclude packages from repository scanning.
 	 *
@@ -131,10 +139,4 @@ public interface RepositoryConfiguration<T extends RepositoryConfigurationSource
 	 */
 	ImplementationLookupConfiguration toLookupConfiguration(MetadataReaderFactory factory);
 
-	/**
-	 * Returns whether the repository is the primary one for its type.
-	 *
-	 * @return
-	 */
-	boolean isPrimary();
 }