diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c007584a..e676970b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 
 ## [12.8.0] Stable Release
-### Fixed issues
-- Fixed regression with specifying argument names in callable statement syntax [#2480](https://github.com/microsoft/mssql-jdbc/pull/2480)
+- No changes since previous release
 
 ## [12.7.1] Preview Release
 ### Added
diff --git a/src/main/java/com/microsoft/sqlserver/jdbc/SQLServerPreparedStatement.java b/src/main/java/com/microsoft/sqlserver/jdbc/SQLServerPreparedStatement.java
index 651505aa2..050f77cfd 100644
--- a/src/main/java/com/microsoft/sqlserver/jdbc/SQLServerPreparedStatement.java
+++ b/src/main/java/com/microsoft/sqlserver/jdbc/SQLServerPreparedStatement.java
@@ -137,12 +137,9 @@ private void setPreparedStatementHandle(int handle) {
 
     /**
      * Regex for JDBC 'call' escape syntax
-     *
-     * Matches {[? =] call sproc ([@arg =] ?, [@arg =] ?, [@arg =] ? ...)}
      */
     private static final Pattern callEscapePattern = Pattern
-            .compile("^\\s*(?i)\\{(\\s*\\??\\s*=?\\s*)call [^\\(\\)]+\\s*" +
-                    "((\\(\\s*(.+\\s*=\\s*)?\\?\\s*(,\\s*\\?\\s*)*\\))?|\\(\\))\\s*}");
+            .compile("^\\s*(?i)\\{(\\s*\\??\\s*=?\\s*)call [^\\(\\)]+\\s*((\\(\\s*\\?\\s*(,\\s*\\?\\s*)*\\))?|\\(\\))\\s*}");
 
     /**
      * Regex for 'exec' escape syntax
diff --git a/src/test/java/com/microsoft/sqlserver/jdbc/callablestatement/CallableStatementTest.java b/src/test/java/com/microsoft/sqlserver/jdbc/callablestatement/CallableStatementTest.java
index f2f5fbcca..3a0daf194 100644
--- a/src/test/java/com/microsoft/sqlserver/jdbc/callablestatement/CallableStatementTest.java
+++ b/src/test/java/com/microsoft/sqlserver/jdbc/callablestatement/CallableStatementTest.java
@@ -22,7 +22,6 @@
 import java.util.TimeZone;
 import java.util.UUID;
 
-import org.junit.Assert;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Tag;
@@ -58,8 +57,6 @@ public class CallableStatementTest extends AbstractTest {
             .escapeIdentifier(RandomUtil.getIdentifier("CallableStatementTest_inputParams_SP"));
     private static String conditionalSproc = AbstractSQLGenerator
             .escapeIdentifier(RandomUtil.getIdentifier("CallableStatementTest_conditionalSproc"));
-    private static String simpleRetValSproc = AbstractSQLGenerator
-            .escapeIdentifier(RandomUtil.getIdentifier("CallableStatementTest_simpleSproc"));
     private static String getObjectLocalDateTimeProcedureName = AbstractSQLGenerator
             .escapeIdentifier(RandomUtil.getIdentifier("CallableStatementTest_getObjectLocalDateTime_SP"));
     private static String getObjectOffsetDateTimeProcedureName = AbstractSQLGenerator
@@ -103,7 +100,6 @@ public static void setupTest() throws Exception {
             TestUtils.dropProcedureIfExists(outOfOrderSproc, stmt);
             TestUtils.dropProcedureIfExists(byParamNameSproc, stmt);
             TestUtils.dropProcedureIfExists(conditionalSproc, stmt);
-            TestUtils.dropProcedureIfExists(simpleRetValSproc, stmt);
             TestUtils.dropFunctionIfExists(userDefinedFunction, stmt);
             TestUtils.dropUserDefinedTypeIfExists(manyParamUserDefinedType, stmt);
             TestUtils.dropProcedureIfExists(manyParamProc, stmt);
@@ -123,7 +119,6 @@ public static void setupTest() throws Exception {
             createOutOfOrderSproc();
             createByParamNameSproc();
             createConditionalProcedure();
-            createSimpleRetValSproc();
             createUserDefinedFunction();
         }
     }
@@ -1202,21 +1197,6 @@ public void testCallableStatementDefaultValues() throws SQLException {
         }
     }
 
-    @Test
-    public void testCallableStatementSetByAnnotatedArgs() throws SQLException {
-        String call = "{? = call " + simpleRetValSproc + " (@Arg1 = ?)}";
-        int expectedValue = 1; // The sproc should return this value
-
-        try (CallableStatement cstmt = connection.prepareCall(call)) {
-            cstmt.registerOutParameter(1, Types.INTEGER);
-            cstmt.setInt(1, 2);
-            cstmt.setString(2, "foo");
-            cstmt.execute();
-
-            Assert.assertEquals(expectedValue, cstmt.getInt(1));
-        }
-    }
-
     @Test
     @Tag(Constants.reqExternalSetup)
     @Tag(Constants.xAzureSQLDB)
@@ -1325,7 +1305,6 @@ public static void cleanup() throws SQLException {
             TestUtils.dropProcedureIfExists(byParamNameSproc, stmt);
             TestUtils.dropProcedureIfExists(currentTimeProc, stmt);
             TestUtils.dropProcedureIfExists(conditionalSproc, stmt);
-            TestUtils.dropProcedureIfExists(simpleRetValSproc, stmt);
             TestUtils.dropFunctionIfExists(userDefinedFunction, stmt);
         }
     }
@@ -1394,13 +1373,6 @@ private static void createConditionalProcedure() throws SQLException {
         }
     }
 
-    private static void createSimpleRetValSproc() throws SQLException {
-        String sql = "CREATE PROCEDURE " + simpleRetValSproc + " (@Arg1 VARCHAR(128)) AS DECLARE @ReturnCode INT RETURN 1";
-        try (Statement stmt = connection.createStatement()) {
-            stmt.execute(sql);
-        }
-    }
-
     private static void createTableManyParams() throws SQLException {
         String type = manyParamUserDefinedType;
         String sql = "CREATE TABLE" + manyParamsTable + " (c1 " + type + " null, " + "c2 " + type + " null, " + "c3 "