diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index 120c7ae38d..659be97e14 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -5125,7 +5125,6 @@
       <code><![CDATA[$this->connections[$connectionType]]]></code>
       <code><![CDATA[$this->connections[$connectionType]]]></code>
       <code><![CDATA[$this->connections[$connectionType]]]></code>
-      <code><![CDATA[$this->connections[$connectionType]]]></code>
       <code><![CDATA[$this->versionComment]]></code>
       <code><![CDATA[$this->versionString]]></code>
     </MixedArgument>
@@ -13830,8 +13829,6 @@
   <file src="tests/classes/Dbal/DbiDummyTest.php">
     <DeprecatedMethod>
       <code>Config::getInstance()</code>
-      <code>escapeString</code>
-      <code>escapeString</code>
     </DeprecatedMethod>
     <PossiblyUnusedMethod>
       <code>errorData</code>
diff --git a/src/DatabaseInterface.php b/src/DatabaseInterface.php
index 4ddee37c72..46fc5a1567 100644
--- a/src/DatabaseInterface.php
+++ b/src/DatabaseInterface.php
@@ -1878,25 +1878,6 @@ class DatabaseInterface implements DbalInterface
         return "'" . $this->extension->escapeString($this->connections[$connectionType], $str) . "'";
     }
 
-    /**
-     * returns properly escaped string for use in MySQL queries
-     *
-     * @deprecated Use {@see quoteString()} instead.
-     *
-     * @param string $str string to be escaped
-     * @psalm-param ConnectionType $connectionType
-     *
-     * @return string a MySQL escaped string
-     */
-    public function escapeString(string $str, int $connectionType = Connection::TYPE_USER): string
-    {
-        if (isset($this->connections[$connectionType])) {
-            return $this->extension->escapeString($this->connections[$connectionType], $str);
-        }
-
-        return $str;
-    }
-
     /**
      * Returns properly escaped string for use in MySQL LIKE clauses.
      * This method escapes only _, %, and /. It does not escape quotes or any other characters.
diff --git a/src/Dbal/DbalInterface.php b/src/Dbal/DbalInterface.php
index 40a49986e4..c23a48c63b 100644
--- a/src/Dbal/DbalInterface.php
+++ b/src/Dbal/DbalInterface.php
@@ -563,18 +563,6 @@ interface DbalInterface
      */
     public function quoteString(string $str, int $connectionType = Connection::TYPE_USER): string;
 
-    /**
-     * returns properly escaped string for use in MySQL queries
-     *
-     * @deprecated Use {@see quoteString()} instead.
-     *
-     * @param string $str string to be escaped
-     * @psalm-param ConnectionType $connectionType
-     *
-     * @return string a MySQL escaped string
-     */
-    public function escapeString(string $str, int $connectionType = Connection::TYPE_USER): string;
-
     /**
      * Returns properly escaped string for use in MySQL LIKE clauses.
      * This method escapes only _, %, and /. It does not escape quotes or any other characters.
diff --git a/tests/classes/Dbal/DbiDummyTest.php b/tests/classes/Dbal/DbiDummyTest.php
index 2aa9d5d732..0cc488df90 100644
--- a/tests/classes/Dbal/DbiDummyTest.php
+++ b/tests/classes/Dbal/DbiDummyTest.php
@@ -112,19 +112,4 @@ class DbiDummyTest extends AbstractTestCase
             ],
         ];
     }
-
-    /**
-     * Test for string escaping
-     */
-    public function testEscapeString(): void
-    {
-        $this->assertEquals(
-            'a',
-            $this->dbi->escapeString('a'),
-        );
-        $this->assertEquals(
-            'a\\\'',
-            $this->dbi->escapeString('a\''),
-        );
-    }
 }