diff --git a/src/main/java/de/ozgcloud/xta/client/codes/BusinessScenario.java b/src/main/java/de/ozgcloud/xta/client/codes/BusinessScenario.java
deleted file mode 100644
index 46bd4247bceaab4aa30f1b1a394e078d729cf110..0000000000000000000000000000000000000000
--- a/src/main/java/de/ozgcloud/xta/client/codes/BusinessScenario.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- *     XTA-Client Java Library
- *     Copyright (C) 2021 Koordinierungsstelle für IT-Standards (KoSIT)
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package de.ozgcloud.xta.client.codes;
-
-import lombok.Getter;
-
-/**
- * Einige vordefinierte Werte für "business.scenario" (Fachkontext/Verfahren). Werte die nicht auftauchen können über den
- * Stringsetter gesetzt werden.
- *
- * @see <a href="https://www.xrepository.de/details/urn:de:xta:codeliste:business.scenario">business.scenario</a>
- */
-@Getter
-public enum BusinessScenario {
-
-  /**
-   * Fachkontext XBAULEITPLANUNG.
-   */
-  XBAULEITPLANUNG_DATA("XBAULEITPLANUNG_DATA"),
-
-  /**
-   * Fachkontext XDOMEAREG.
-   */
-  XDOMEAREG_DATA("XDOMEAREG_DATA"),
-
-  /**
-   * Fachkontext XInneres.
-   */
-  XINNERES_DATA("XINNERES_DATA"),
-
-  /**
-   * Fachkontext XAusländer.
-   */
-  XAUSLAENDER_DATA("XAUSLAENDER_DATA"),
-
-  /**
-   * Fachkontext OSCI-XMeld.
-   */
-  XMELD_DATA("XMELD_DATA"),
-
-  /**
-   * Fachkontext XPersonenstand.
-   */
-  XPERSONENSTAND_DATA("XPERSONENSTAND_DATA"),
-
-  /**
-   * Fachkontext XhD.
-   */
-  XHD_DATA("XHD_DATA"),
-
-  /**
-   * Fachkontext XGewerbeanzeige.
-   */
-  GEWERBE_DATA("GEWERBE_DATA");
-
-  private String code;
-
-  BusinessScenario(String code) {
-    this.code = code;
-  }
-}
diff --git a/src/main/java/de/ozgcloud/xta/client/codes/IdentifierType.java b/src/main/java/de/ozgcloud/xta/client/codes/IdentifierType.java
deleted file mode 100644
index 7b80214807430ef96ed0af1f915e38a247c8e716..0000000000000000000000000000000000000000
--- a/src/main/java/de/ozgcloud/xta/client/codes/IdentifierType.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- *     XTA-Client Java Library
- *     Copyright (C) 2021 Koordinierungsstelle für IT-Standards (KoSIT)
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package de.ozgcloud.xta.client.codes;
-
-import lombok.Getter;
-
-/**
- * Einige vordefinierte Werte für "type.of.party.identifier". Werte die nicht auftauchen können über den Stringsetter gestzt werden * {@link
- * Identifier (final String, String)}
- *
- * @see <a href"https://www.xrepository.de/details/urn:de:xta:codeliste:type.of.party.identifier">type.of.party.identifier</a>
- */
-@Getter
-public enum IdentifierType {
-
-  /**
-   * XÖV-DVDV-Infrastruktur: Identifizierungsschema gemäß DVDV-Behördenschlüssel	Nach den Regeln dieses Identifizierungsschemas
-   * ist z.B. die Kennung "psw:01002110" aufgebaut.
-   */
-  XOEV("xoev"),
-
-  /**
-   * SAFE-Infrastruktur des Justizressorts: Identifizierungsschema gemäß SAFE Nach den Regeln dieses Identifizierungsschemas ist
-   * z.B. die Kennung "safe-1363359638330-001060793" aufgebaut.
-   */
-  JUSTIZ("justiz");
-
-  private String code;
-
-  IdentifierType(String code) {
-    this.code = code;
-  }
-}
diff --git a/src/main/java/de/ozgcloud/xta/client/config/XtaClientConfig.java b/src/main/java/de/ozgcloud/xta/client/config/XtaClientConfig.java
index fed39a36ebad655d2d1691a14066d7037aae3fd4..14bdf0499aa8265eb430f31a09c266200a26e64e 100644
--- a/src/main/java/de/ozgcloud/xta/client/config/XtaClientConfig.java
+++ b/src/main/java/de/ozgcloud/xta/client/config/XtaClientConfig.java
@@ -1,14 +1,3 @@
-/**
- * XTA-Client Java Library Copyright (C) 2021 Koordinierungsstelle für IT-Standards (KoSIT)
- *
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 package de.ozgcloud.xta.client.config;
 
 import static java.util.Collections.*;
diff --git a/src/main/java/de/ozgcloud/xta/client/exception/XtaClientException.java b/src/main/java/de/ozgcloud/xta/client/exception/XtaClientException.java
index e00a6b1cab96e6a0ea0ae2846b7328eecbbbb725..f2530d0647cd923735513241270c51bdbfd12b11 100644
--- a/src/main/java/de/ozgcloud/xta/client/exception/XtaClientException.java
+++ b/src/main/java/de/ozgcloud/xta/client/exception/XtaClientException.java
@@ -1,20 +1,3 @@
-/**
- *     XTA-Client Java Library
- *     Copyright (C) 2021 Koordinierungsstelle für IT-Standards (KoSIT)
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 package de.ozgcloud.xta.client.exception;
 
 
diff --git a/src/main/java/de/ozgcloud/xta/client/exception/XtaClientInitializationException.java b/src/main/java/de/ozgcloud/xta/client/exception/XtaClientInitializationException.java
index 534c435fd644564646dd689ca371864e102f899b..0e361320c45fc3be0580d3f4ffdd3733fdba072d 100644
--- a/src/main/java/de/ozgcloud/xta/client/exception/XtaClientInitializationException.java
+++ b/src/main/java/de/ozgcloud/xta/client/exception/XtaClientInitializationException.java
@@ -1,20 +1,3 @@
-/**
- *     XTA-Client Java Library
- *     Copyright (C) 2021 Koordinierungsstelle für IT-Standards (KoSIT)
- *
- *     This program is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
 package de.ozgcloud.xta.client.exception;
 
 /**
diff --git a/src/test/java/de/ozgcloud/xta/client/FetchMessageParameterFactoryTest.java b/src/test/java/de/ozgcloud/xta/client/FetchMessageParameterFactoryTest.java
deleted file mode 100644
index b7984c306450621b847f11ea6d7bf6365501ab66..0000000000000000000000000000000000000000
--- a/src/test/java/de/ozgcloud/xta/client/FetchMessageParameterFactoryTest.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package de.ozgcloud.xta.client;
-
-import org.junit.jupiter.api.DisplayName;
-import org.junit.jupiter.api.Nested;
-
-class FetchMessageParameterFactoryTest {
-
-	@DisplayName("create")
-	@Nested
-	class TestCreate {
-
-	}
-}
\ No newline at end of file