diff --git a/composer.json b/composer.json
index 059121e..270c2d5 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "ext-pcre": "*",
 
         "simplesamlphp/assert": "^1.0",
-        "simplesamlphp/xml-common": "^1.13"
+        "simplesamlphp/xml-common": "^1.14"
     },
     "require-dev": {
         "simplesamlphp/simplesamlphp-test-framework": "^1.5"
diff --git a/tests/SOAP11/XML/env/BodyTest.php b/tests/SOAP11/XML/env/BodyTest.php
index 6a20edb..67c6d5b 100644
--- a/tests/SOAP11/XML/env/BodyTest.php
+++ b/tests/SOAP11/XML/env/BodyTest.php
@@ -98,17 +98,4 @@ public function testMarshallingWithMultipleFaults(): void
             [],
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $body = Body::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($body)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/DetailTest.php b/tests/SOAP11/XML/env/DetailTest.php
index aa15def..a88b9ff 100644
--- a/tests/SOAP11/XML/env/DetailTest.php
+++ b/tests/SOAP11/XML/env/DetailTest.php
@@ -75,17 +75,4 @@ public function testMarshallingWithNoContent(): void
         );
         $this->assertTrue($detail->isEmptyElement());
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $detail = Detail::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($detail)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/EnvelopeTest.php b/tests/SOAP11/XML/env/EnvelopeTest.php
index e9c8b91..d0049d4 100644
--- a/tests/SOAP11/XML/env/EnvelopeTest.php
+++ b/tests/SOAP11/XML/env/EnvelopeTest.php
@@ -83,17 +83,4 @@ public function testMarshalling(): void
             strval($envelope),
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $envelope = Envelope::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($envelope),
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/FaultActorTest.php b/tests/SOAP11/XML/env/FaultActorTest.php
index c96e231..13c2d57 100644
--- a/tests/SOAP11/XML/env/FaultActorTest.php
+++ b/tests/SOAP11/XML/env/FaultActorTest.php
@@ -48,17 +48,4 @@ public function testMarshalling(): void
             strval($faultActor)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $faultActor = FaultActor::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($faultActor)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/FaultCodeTest.php b/tests/SOAP11/XML/env/FaultCodeTest.php
index 6120f5f..99d32fa 100644
--- a/tests/SOAP11/XML/env/FaultCodeTest.php
+++ b/tests/SOAP11/XML/env/FaultCodeTest.php
@@ -49,17 +49,4 @@ public function testMarshalling(): void
             strval($faultCode)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $faultCode = FaultCode::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($faultCode)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/FaultStringTest.php b/tests/SOAP11/XML/env/FaultStringTest.php
index 4f619c0..b07bd53 100644
--- a/tests/SOAP11/XML/env/FaultStringTest.php
+++ b/tests/SOAP11/XML/env/FaultStringTest.php
@@ -49,17 +49,4 @@ public function testMarshalling(): void
             strval($faultString)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $faultString = FaultString::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($faultString)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/FaultTest.php b/tests/SOAP11/XML/env/FaultTest.php
index 476a8a8..9c4e874 100644
--- a/tests/SOAP11/XML/env/FaultTest.php
+++ b/tests/SOAP11/XML/env/FaultTest.php
@@ -68,17 +68,4 @@ public function testMarshalling(): void
             strval($fault)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $fault = Fault::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($fault)
-        );
-    }
 }
diff --git a/tests/SOAP11/XML/env/HeaderTest.php b/tests/SOAP11/XML/env/HeaderTest.php
index 5299095..c202837 100644
--- a/tests/SOAP11/XML/env/HeaderTest.php
+++ b/tests/SOAP11/XML/env/HeaderTest.php
@@ -79,17 +79,4 @@ public function testMarshallingWithNoContent(): void
         );
         $this->assertTrue($header->isEmptyElement());
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $header = Header::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($header)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/BodyTest.php b/tests/SOAP12/XML/env/BodyTest.php
index 56c4345..23da40d 100644
--- a/tests/SOAP12/XML/env/BodyTest.php
+++ b/tests/SOAP12/XML/env/BodyTest.php
@@ -115,17 +115,4 @@ public function testMarshallingWithFaultAndContent(): void
             [],
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $body = Body::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($body)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/CodeTest.php b/tests/SOAP12/XML/env/CodeTest.php
index 46f436c..c751b8c 100644
--- a/tests/SOAP12/XML/env/CodeTest.php
+++ b/tests/SOAP12/XML/env/CodeTest.php
@@ -58,17 +58,4 @@ public function testMarshalling(): void
             strval($code)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $code = Code::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($code)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/DetailTest.php b/tests/SOAP12/XML/env/DetailTest.php
index d700f54..f499ce0 100644
--- a/tests/SOAP12/XML/env/DetailTest.php
+++ b/tests/SOAP12/XML/env/DetailTest.php
@@ -75,17 +75,4 @@ public function testMarshallingWithNoContent(): void
         );
         $this->assertTrue($detail->isEmptyElement());
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $detail = Detail::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($detail)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/EnvelopeTest.php b/tests/SOAP12/XML/env/EnvelopeTest.php
index 4c00606..86f0e11 100644
--- a/tests/SOAP12/XML/env/EnvelopeTest.php
+++ b/tests/SOAP12/XML/env/EnvelopeTest.php
@@ -76,17 +76,4 @@ public function testMarshalling(): void
             strval($envelope),
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $envelope = Envelope::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($envelope),
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/FaultTest.php b/tests/SOAP12/XML/env/FaultTest.php
index 924b7ae..0f86d98 100644
--- a/tests/SOAP12/XML/env/FaultTest.php
+++ b/tests/SOAP12/XML/env/FaultTest.php
@@ -76,17 +76,4 @@ public function testMarshalling(): void
             strval($fault)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $fault = Fault::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($fault)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/HeaderTest.php b/tests/SOAP12/XML/env/HeaderTest.php
index d6242b4..69d8551 100644
--- a/tests/SOAP12/XML/env/HeaderTest.php
+++ b/tests/SOAP12/XML/env/HeaderTest.php
@@ -79,17 +79,4 @@ public function testMarshallingWithNoContent(): void
         );
         $this->assertTrue($header->isEmptyElement());
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $header = Header::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($header)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/NodeTest.php b/tests/SOAP12/XML/env/NodeTest.php
index 0c1f414..3e9cb94 100644
--- a/tests/SOAP12/XML/env/NodeTest.php
+++ b/tests/SOAP12/XML/env/NodeTest.php
@@ -48,17 +48,4 @@ public function testMarshalling(): void
             strval($node)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $node = Node::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($node)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/NotUnderstoodTest.php b/tests/SOAP12/XML/env/NotUnderstoodTest.php
index d1587ac..797a408 100644
--- a/tests/SOAP12/XML/env/NotUnderstoodTest.php
+++ b/tests/SOAP12/XML/env/NotUnderstoodTest.php
@@ -52,17 +52,4 @@ public function testMarshalling(): void
             strval($notUnderstood)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $notUnderstood = NotUnderstood::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($notUnderstood)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/ReasonTest.php b/tests/SOAP12/XML/env/ReasonTest.php
index 9231cc9..08575c6 100644
--- a/tests/SOAP12/XML/env/ReasonTest.php
+++ b/tests/SOAP12/XML/env/ReasonTest.php
@@ -52,17 +52,4 @@ public function testMarshalling(): void
             strval($reason)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $reason = Reason::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($reason)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/RoleTest.php b/tests/SOAP12/XML/env/RoleTest.php
index 7340c6f..d7c8325 100644
--- a/tests/SOAP12/XML/env/RoleTest.php
+++ b/tests/SOAP12/XML/env/RoleTest.php
@@ -48,17 +48,4 @@ public function testMarshalling(): void
             strval($role)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $role = Role::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($role)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/SubcodeTest.php b/tests/SOAP12/XML/env/SubcodeTest.php
index b034fe2..f4a2e0d 100644
--- a/tests/SOAP12/XML/env/SubcodeTest.php
+++ b/tests/SOAP12/XML/env/SubcodeTest.php
@@ -50,17 +50,4 @@ public function testMarshalling(): void
             strval($subcode)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $subcode = Subcode::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($subcode)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/SupportedEnvelopeTest.php b/tests/SOAP12/XML/env/SupportedEnvelopeTest.php
index de566c4..866ed99 100644
--- a/tests/SOAP12/XML/env/SupportedEnvelopeTest.php
+++ b/tests/SOAP12/XML/env/SupportedEnvelopeTest.php
@@ -49,17 +49,4 @@ public function testMarshalling(): void
             strval($supportedEnvelope)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $supportedEnvelope = SupportedEnvelope::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($supportedEnvelope)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/TextTest.php b/tests/SOAP12/XML/env/TextTest.php
index 0c73329..1d08c72 100644
--- a/tests/SOAP12/XML/env/TextTest.php
+++ b/tests/SOAP12/XML/env/TextTest.php
@@ -48,17 +48,4 @@ public function testMarshalling(): void
             strval($text)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $text = Text::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($text)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/UpgradeTest.php b/tests/SOAP12/XML/env/UpgradeTest.php
index 7e7b4a5..a2cbf98 100644
--- a/tests/SOAP12/XML/env/UpgradeTest.php
+++ b/tests/SOAP12/XML/env/UpgradeTest.php
@@ -54,17 +54,4 @@ public function testMarshalling(): void
             strval($upgrade)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $upgrade = Upgrade::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($upgrade)
-        );
-    }
 }
diff --git a/tests/SOAP12/XML/env/ValueTest.php b/tests/SOAP12/XML/env/ValueTest.php
index d89cf2d..6369243 100644
--- a/tests/SOAP12/XML/env/ValueTest.php
+++ b/tests/SOAP12/XML/env/ValueTest.php
@@ -49,17 +49,4 @@ public function testMarshalling(): void
             strval($value)
         );
     }
-
-
-    /**
-     */
-    public function testUnmarshalling(): void
-    {
-        $value = Value::fromXML(self::$xmlRepresentation->documentElement);
-
-        $this->assertEquals(
-            self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($value)
-        );
-    }
 }