diff --git a/spacy/structs.pxd b/spacy/structs.pxd
index a01244d7e..4a51bc9e0 100644
--- a/spacy/structs.pxd
+++ b/spacy/structs.pxd
@@ -60,49 +60,6 @@ cdef struct MorphAnalysisC:
     hash_t key
     int length
 
-    attr_t abbr
-    attr_t adp_type
-    attr_t adv_type
-    attr_t animacy
-    attr_t aspect
-    attr_t case
-    attr_t conj_type
-    attr_t connegative
-    attr_t definite
-    attr_t degree
-    attr_t derivation
-    attr_t echo
-    attr_t foreign
-    attr_t gender
-    attr_t hyph
-    attr_t inf_form
-    attr_t mood
-    attr_t negative
-    attr_t number
-    attr_t name_type
-    attr_t noun_type
-    attr_t num_form
-    attr_t num_type
-    attr_t num_value
-    attr_t part_form
-    attr_t part_type
-    attr_t person
-    attr_t polite
-    attr_t polarity
-    attr_t poss
-    attr_t prefix
-    attr_t prep_case
-    attr_t pron_type
-    attr_t punct_side
-    attr_t punct_type
-    attr_t reflex
-    attr_t style
-    attr_t style_variant
-    attr_t tense
-    attr_t typo
-    attr_t verb_form
-    attr_t voice
-    attr_t verb_type
     attr_t* fields
     attr_t* features