diff --git a/src/html_preprocessor.py b/src/html_preprocessor.py
index 2a3eb3c..0b36191 100644
--- a/src/html_preprocessor.py
+++ b/src/html_preprocessor.py
@@ -318,7 +318,8 @@ class HTMLPreprocessor:
                 sup = cont_tag.find_all('p')[0].find('sup')
                 if sup and sup.text == a_text:
                     sup.decompose()
-            for tag_a in cont_tag.find_all('a'):
+
+            for tag_a in cont_tag.find_all('a', {'class': 'sdfootnotesym'}):
                 tag_a.decompose()
 
             unicode_string = ''