diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index d93bcf3f5..786838671 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -234,16 +234,6 @@ ALIASES += typeclass{1}="@ingroup typeclasses"
 ALIASES += typeclass_section{1}="--------------------------------------------------------------------------------\n### \1"
 ALIASES += mcd="@typeclass_section{Minimal complete definition}"
 ALIASES += laws="@typeclass_section{Laws}"
-
-ALIASES += datatype{1}="@ingroup datatypes"
-ALIASES += datatype_section{1}="--------------------------------------------------------------------------------\n### \1"
-ALIASES += instantiates{1}="@datatype_section{Instantiates}\n- \1"
-ALIASES += instantiates{2}="@instantiates{\1}\n- \2"
-ALIASES += instantiates{3}="@instantiates{\1, \2}\n- \3"
-ALIASES += instantiates{4}="@instantiates{\1, \2, \3}\n- \4"
-ALIASES += instantiates{5}="@instantiates{\1, \2, \3, \4}\n- \5"
-ALIASES += instantiates{6}="@instantiates{\1, \2, \3, \4, \5}\n- \6"
-
 ALIASES += method{1}="@relatesalso \1\n@hideinitializer"