diff --git a/PyTeX/format/constants.py b/PyTeX/format/constants.py
index e7f1a41..fdd8f56 100644
--- a/PyTeX/format/constants.py
+++ b/PyTeX/format/constants.py
@@ -3,3 +3,4 @@ INFILE_CONFIG_END_CONFIG = 'endconfig'
 PYTEX_CONFIG_FILE_EXTENSION = '.conf'
 DICTIONARY_KEY_COLUMN_NAME = 'key'
 DICTIONARY_NAMING_PATTERN = 'translator-{dict_name}-dictionary-{language}.dict'
+FORMATTER_PREFIX = '!'
diff --git a/PyTeX/format/formatting_config.py b/PyTeX/format/formatting_config.py
index b547a8a..eef725e 100644
--- a/PyTeX/format/formatting_config.py
+++ b/PyTeX/format/formatting_config.py
@@ -31,8 +31,6 @@ class FormattingConfig(Config):
         self._include_ins: Optional[bool] = True
         self._use_docstrip_guards: Optional[List[str]] = None
 
-        self._escape_character: Optional[str] = None
-
     @classmethod
     def from_yaml(cls, yaml):
         pass
@@ -136,13 +134,6 @@ class FormattingConfig(Config):
         else:
             return self._version
 
-    @property
-    def extra_header_file(self) -> GenericText:
-        if self._extra_header_file is None:
-            return GenericText([])
-        else:
-            return self._extra_header_file
-
     @property
     def pytex_version(self) -> Optional[GitVersionInfo]:
         return self._pytex_version
@@ -189,13 +180,6 @@ class FormattingConfig(Config):
         else:
             return self._use_docstrip_guards
 
-    @property
-    def escape_character(self) -> str:
-        if self._escape_character is None:
-            return '!'
-        else:
-            return self._escape_character
-
     @property
     def description(self) -> str:
         if self._description is None: