diff --git a/module/finc/src/finc/RecordDriver/SolrMarcFinc.php b/module/finc/src/finc/RecordDriver/SolrMarcFinc.php
index d9e2976d91d20ef81f53c057574bd1dd186131f9..e619a5422016887c357545087e7b20b3e4892cb1 100644
--- a/module/finc/src/finc/RecordDriver/SolrMarcFinc.php
+++ b/module/finc/src/finc/RecordDriver/SolrMarcFinc.php
@@ -42,13 +42,6 @@ class SolrMarcFinc extends SolrMarc
 {
     use SolrMarcFincTrait;
 
-    /**
-     * pattern to identify bsz
-     *
-     * @deprecated After k10plus transition maybe not longer in use.
-     */
-    const BSZ_PATTERN = '/^(\(DE-576\))(\d+)(\w|)/';
-
     /**
      * pattern to identify kxp
      */
diff --git a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
index eb642793a382bf05d1259fe53f0ae080025042db..a941ed662b4f63596850402023b6d1f3adbf9452 100644
--- a/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
+++ b/module/finc/src/finc/RecordDriver/SolrMarcFincTrait.php
@@ -1359,68 +1359,6 @@ trait SolrMarcFincTrait
         return false;
     }
 
-    /**
-     * Get a short list of series for ISBD citation style
-     *
-     * @return array
-     * @link   http://www.loc.gov/marc/bibliographic/bd830.html
-     */
-    protected function getSeriesWithVolume()
-    {
-        return $this->getFieldArray('830', ['a', 'v'], false);
-    }
-
-    /**
-     * Get local classification of UDK.
-     *
-     * @return array
-     * @deprecated Seems to be only for HTWK in use formerly?
-     */
-    protected function getUDKs()
-    {
-        $array = [];
-        if (null != $this->getLocalMarcFieldOfLibrary()) {
-            $udk = $this->getMarcRecord()->getFields(
-                $this->getLocalMarcFieldOfLibrary()
-            );
-            // if not return void value
-            if (!$udk) {
-                return $array;
-            } // end if
-
-            foreach ($udk as $key => $line) {
-                // if subfield with udk exists
-                if ($line->getSubfield('f')) {
-                    // get udk
-                    $array[$key]['index'] = $line->getSubfield('f')->getData();
-                    // get udk notation
-                    // fixes by update of File_MARC to version 0.8.0
-                    // @link https://intern.finc.info/issues/2068
-                    /*
-                    if ($notation = $line->getSubfield('n')) {
-                        // get first value
-                        $array[$key]['notation'][] = $notation->getData();
-                        // iteration over udk notation
-                        while ($record = $notation->next()) {
-                            $array[$key]['notation'][] = $record->getData();
-                            $notation = $record;
-                        }
-                    } // end if subfield n
-                    unset($notation);
-                    */
-                    if ($record = $line->getSubfields('n')) {
-                        // iteration over rvk notation
-                        foreach ($record as $field) {
-                            $array[$key]['notation'][] = $field->getData();
-                        }
-                    } // end if subfield n
-                } // end if subfield f
-            } // end foreach
-        }
-        //error_log(print_r($array, true));
-        return $array;
-    }
-
     /**
      * Get addional entries for personal names.
      *