diff --git a/modules/openapi-generator/src/main/resources/Java/Pair.mustache b/modules/openapi-generator/src/main/resources/Java/Pair.mustache
index ff9e06b20d46..ed767ce72675 100644
--- a/modules/openapi-generator/src/main/resources/Java/Pair.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/Pair.mustache
@@ -41,10 +41,6 @@ public class Pair {
             return false;
         }
 
-        if (arg.trim().isEmpty()) {
-            return false;
-        }
-
         return true;
     }
 }