diff --git a/spacy/matcher.pyx b/spacy/matcher.pyx
index 2bf8370b5..0a1bb3c69 100644
--- a/spacy/matcher.pyx
+++ b/spacy/matcher.pyx
@@ -20,8 +20,6 @@ from .tokens.doc cimport get_token_attr
 from .tokens.doc cimport Doc
 from .vocab cimport Vocab
 
-from libcpp.vector cimport vector
-
 from .attrs import FLAG61 as U_ENT
 
 from .attrs import FLAG60 as B2_ENT
@@ -221,8 +219,7 @@ cdef class Matcher:
             q = 0
             # Go over the open matches, extending or finalizing if able. Otherwise,
             # we over-write them (q doesn't advance)
-            for i in range(partials.size()):
-                state = partials.at(i)
+            for state in partials:
                 if match(state, token):
                     if is_final(state):
                         label, start, end = get_entity(state, token, token_i)
@@ -233,8 +230,7 @@ cdef class Matcher:
                         q += 1
             partials.resize(q)
             # Check whether we open any new patterns on this token
-            for i in range(self.n_patterns):
-                state = self.patterns[i]
+            for state in self.patterns:
                 if match(state, token):
                     if is_final(state):
                         label, start, end = get_entity(state, token, token_i)