diff --git a/tests/bugs/core_4137_test.py b/tests/bugs/core_4137_test.py
index eab8295f..52be3110 100644
--- a/tests/bugs/core_4137_test.py
+++ b/tests/bugs/core_4137_test.py
@@ -76,8 +76,8 @@ expected_stdout_6x = """
     SET AUTODDL OFF;
     SET TERM ^ ;
     /* Stored procedures headers */
-    CREATE OR ALTER PROCEDURE TEST (P01 CHAR(10) CHARACTER SET ISO8859_1 COLLATE PT_BR)
-    RETURNS (O01 VARCHAR(30) CHARACTER SET ISO8859_1 COLLATE PT_BR)
+    CREATE OR ALTER PROCEDURE TEST (P01 CHAR(10))
+    RETURNS (O01 VARCHAR(30))
     AS
     BEGIN EXIT; END ^
     SET TERM ; ^
@@ -87,8 +87,8 @@ expected_stdout_6x = """
     SET AUTODDL OFF;
     SET TERM ^ ;
     /* Stored procedures bodies */
-    ALTER PROCEDURE TEST (P01 CHAR(10) CHARACTER SET ISO8859_1 COLLATE PT_BR)
-    RETURNS (O01 VARCHAR(30) CHARACTER SET ISO8859_1 COLLATE PT_BR)
+    ALTER PROCEDURE TEST (P01 CHAR(10))
+    RETURNS (O01 VARCHAR(30))
     AS
     begin
     exit;