diff --git a/src/utils/zcl_abapgit_path.clas.abap b/src/utils/zcl_abapgit_path.clas.abap
index 9756c099b..9c3186bb2 100644
--- a/src/utils/zcl_abapgit_path.clas.abap
+++ b/src/utils/zcl_abapgit_path.clas.abap
@@ -1,6 +1,6 @@
 CLASS zcl_abapgit_path DEFINITION
-  PUBLIC
-  CREATE PUBLIC .
+  PUBLIC FINAL
+  CREATE PUBLIC.
 
   PUBLIC SECTION.
 
diff --git a/src/zlib/zcl_abapgit_zlib_convert.clas.abap b/src/zlib/zcl_abapgit_zlib_convert.clas.abap
index 3e957e241..ce7ac8616 100644
--- a/src/zlib/zcl_abapgit_zlib_convert.clas.abap
+++ b/src/zlib/zcl_abapgit_zlib_convert.clas.abap
@@ -1,6 +1,6 @@
 CLASS zcl_abapgit_zlib_convert DEFINITION
-  PUBLIC
-  CREATE PUBLIC .
+  PUBLIC FINAL
+  CREATE PUBLIC.
 
   PUBLIC SECTION.
 
@@ -8,17 +8,20 @@ CLASS zcl_abapgit_zlib_convert DEFINITION
       IMPORTING
         !iv_hex        TYPE xsequence
       RETURNING
-        VALUE(rv_bits) TYPE string .
+        VALUE(rv_bits) TYPE string.
+
     CLASS-METHODS bits_to_int
       IMPORTING
         !iv_bits      TYPE clike
       RETURNING
-        VALUE(rv_int) TYPE i .
+        VALUE(rv_int) TYPE i.
+
     CLASS-METHODS int_to_hex
       IMPORTING
         !iv_int       TYPE i
       RETURNING
-        VALUE(rv_hex) TYPE xstring .
+        VALUE(rv_hex) TYPE xstring.
+
 ENDCLASS.