diff --git a/buildSrc/src/main/groovy/org/springframework/restdocs/build/matrix/MatrixTestExtension.groovy b/buildSrc/src/main/groovy/org/springframework/restdocs/build/matrix/MatrixTestExtension.groovy
index 6d4e6f4f..b3b4dab7 100644
--- a/buildSrc/src/main/groovy/org/springframework/restdocs/build/matrix/MatrixTestExtension.groovy
+++ b/buildSrc/src/main/groovy/org/springframework/restdocs/build/matrix/MatrixTestExtension.groovy
@@ -74,9 +74,6 @@ public class MatrixTestExtension {
 	}
 
 	List<List<Map<String, String>>> cartesianProduct(List<List<Map<String, String>>> lists) {
-		if (lists.size() == 1) {
-			return lists
-		}
 		return cartesianProduct(lists, 0)
 	}