[HB] Remove unused methods
diff --git a/src/hb-ot-layout-common-private.h b/src/hb-ot-layout-common-private.h
index 64d61a2..0dc56de 100644
--- a/src/hb-ot-layout-common-private.h
+++ b/src/hb-ot-layout-common-private.h
@@ -191,12 +191,6 @@
     return subTable.len;
   }
 
-  inline bool is_right_to_left	(void) const { return lookupFlag & LookupFlag::RightToLeft; }
-  inline bool ignore_base_glyphs(void) const { return lookupFlag & LookupFlag::IgnoreBaseGlyphs; }
-  inline bool ignore_ligatures	(void) const { return lookupFlag & LookupFlag::IgnoreLigatures; }
-  inline bool ignore_marks	(void) const { return lookupFlag & LookupFlag::IgnoreMarks; }
-  inline unsigned int get_mark_attachment_type (void) const { return lookupFlag & LookupFlag::MarkAttachmentType; }
-
   inline unsigned int get_type (void) const { return lookupType; }
   inline unsigned int get_flag (void) const { return lookupFlag; }