diff --git a/src/attr.rs b/src/attr.rs
index 6152635..5cbdee9 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -344,7 +344,7 @@
                 pound: punct!(#) >>
                 bang: punct!(!) >>
                 path_and_tts: brackets!(tuple!(
-                    call!(::Path::parse_mod_style),
+                    call!(Path::parse_mod_style),
                     syn!(TokenStream)
                 )) >>
                 ({
@@ -384,7 +384,7 @@
             do_parse!(
                 pound: punct!(#) >>
                 path_and_tts: brackets!(tuple!(
-                    call!(::Path::parse_mod_style),
+                    call!(Path::parse_mod_style),
                     syn!(TokenStream)
                 )) >>
                 ({
diff --git a/src/expr.rs b/src/expr.rs
index 225fc65..1296594 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -1438,7 +1438,7 @@
     #[cfg(feature = "full")]
     impl Synom for ExprArray {
         named!(parse -> Self, do_parse!(
-            elems: brackets!(call!(Delimited::parse_terminated)) >>
+            elems: brackets!(Delimited::parse_terminated) >>
             (ExprArray {
                 attrs: Vec::new(),
                 elems: elems.0,
@@ -1448,7 +1448,7 @@
     }
 
     named!(and_call -> (Delimited<Expr, Token![,]>, token::Paren),
-           parens!(call!(Delimited::parse_terminated)));
+           parens!(Delimited::parse_terminated));
 
     #[cfg(feature = "full")]
     named!(and_method_call -> ExprMethodCall, do_parse!(
@@ -1460,7 +1460,7 @@
             call!(Delimited::parse_terminated),
             punct!(>)
         )) >>
-        args: parens!(call!(Delimited::parse_terminated)) >>
+        args: parens!(Delimited::parse_terminated) >>
         ({
             ExprMethodCall {
                 attrs: Vec::new(),
@@ -1496,7 +1496,7 @@
     #[cfg(feature = "full")]
     impl Synom for ExprTuple {
         named!(parse -> Self, do_parse!(
-            elems: parens!(call!(Delimited::parse_terminated)) >>
+            elems: parens!(Delimited::parse_terminated) >>
             (ExprTuple {
                 attrs: Vec::new(),
                 elems: elems.0,
@@ -1513,7 +1513,7 @@
             pat: syn!(Pat) >>
             eq: punct!(=) >>
             cond: expr_no_struct >>
-            then_block: braces!(call!(Block::parse_within)) >>
+            then_block: braces!(Block::parse_within) >>
             else_block: option!(else_block) >>
             (ExprIfLet {
                 attrs: Vec::new(),
@@ -1536,7 +1536,7 @@
         named!(parse -> Self, do_parse!(
             if_: keyword!(if) >>
             cond: expr_no_struct >>
-            then_block: braces!(call!(Block::parse_within)) >>
+            then_block: braces!(Block::parse_within) >>
             else_block: option!(else_block) >>
             (ExprIf {
                 attrs: Vec::new(),
@@ -1560,7 +1560,7 @@
             syn!(ExprIfLet) => { Expr::IfLet }
             |
             do_parse!(
-                else_block: braces!(call!(Block::parse_within)) >>
+                else_block: braces!(Block::parse_within) >>
                 (Expr::Block(ExprBlock {
                     attrs: Vec::new(),
                     block: Block {
@@ -1978,7 +1978,7 @@
     #[cfg(feature = "full")]
     impl Synom for Block {
         named!(parse -> Self, do_parse!(
-            stmts: braces!(call!(Block::parse_within)) >>
+            stmts: braces!(Block::parse_within) >>
             (Block {
                 stmts: stmts.0,
                 brace_token: stmts.1,
@@ -2295,7 +2295,7 @@
                                 Some((_, Some(_))) => true,
                                 _ => false,
                             },
-                            call!(Delimited::parse_terminated)) >>
+                            Delimited::parse_terminated) >>
                 (front, dotdot, back)
             )) >>
             ({
@@ -2391,7 +2391,7 @@
                         Some((_, ref trailing)) => trailing.is_some(),
                         _ => false,
                     },
-                    call!(Delimited::parse_terminated)
+                    Delimited::parse_terminated
                 ) >>
                 (before, middle, after)
             )),
diff --git a/src/generics.rs b/src/generics.rs
index 970428b..70b3da4 100644
--- a/src/generics.rs
+++ b/src/generics.rs
@@ -205,7 +205,7 @@
                     lifetimes: call!(Delimited::<LifetimeDef, Token![,]>::parse_terminated) >>
                     ty_params: cond!(
                         lifetimes.empty_or_trailing(),
-                        call!(Delimited::<TypeParam, Token![,]>::parse_terminated)
+                        Delimited::<TypeParam, Token![,]>::parse_terminated
                     ) >>
                     gt: punct!(>) >>
                     (lifetimes, ty_params, Some(lt), Some(gt))
@@ -237,7 +237,7 @@
             colon: option!(punct!(:)) >>
             bounds: cond!(
                 colon.is_some(),
-                call!(Delimited::parse_separated_nonempty)
+                Delimited::parse_separated_nonempty
             ) >>
             (LifetimeDef {
                 attrs: attrs,
@@ -270,7 +270,7 @@
             colon: option!(punct!(:)) >>
             bounds: cond!(
                 colon.is_some(),
-                call!(Delimited::parse_separated_nonempty)
+                Delimited::parse_separated_nonempty
             ) >>
             default: option!(do_parse!(
                 eq: punct!(=) >>
@@ -360,7 +360,7 @@
                 colon: option!(punct!(:)) >>
                 bounds: cond!(
                     colon.is_some(),
-                    call!(Delimited::parse_separated)
+                    Delimited::parse_separated
                 ) >>
                 (WherePredicate::RegionPredicate(WhereRegionPredicate {
                     lifetime: ident,
diff --git a/src/item.rs b/src/item.rs
index c9b7c9b..59694bb 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -1041,9 +1041,7 @@
         ident: syn!(Ident) >>
         generics: syn!(Generics) >>
         colon: option!(punct!(:)) >>
-        bounds: cond!(colon.is_some(),
-            call!(Delimited::parse_separated_nonempty)
-        ) >>
+        bounds: cond!(colon.is_some(), Delimited::parse_separated_nonempty) >>
         where_clause: option!(syn!(WhereClause)) >>
         body: braces!(many0!(TraitItem::parse)) >>
         (ItemTrait {
@@ -1124,7 +1122,7 @@
         fn_: keyword!(fn) >>
         ident: syn!(Ident) >>
         generics: syn!(Generics) >>
-        inputs: parens!(call!(Delimited::parse_terminated)) >>
+        inputs: parens!(Delimited::parse_terminated) >>
         ret: syn!(ReturnType) >>
         where_clause: option!(syn!(WhereClause)) >>
         body: option!(braces!(
@@ -1177,9 +1175,7 @@
         ident: syn!(Ident) >>
         generics: syn!(Generics) >>
         colon: option!(punct!(:)) >>
-        bounds: cond!(colon.is_some(),
-            call!(Delimited::parse_separated_nonempty)
-        ) >>
+        bounds: cond!(colon.is_some(), Delimited::parse_separated_nonempty) >>
         where_clause: option!(syn!(WhereClause)) >>
         default: option!(tuple!(punct!(=), syn!(Type))) >>
         semi: punct!(;) >>
@@ -1289,7 +1285,7 @@
         fn_: keyword!(fn) >>
         ident: syn!(Ident) >>
         generics: syn!(Generics) >>
-        inputs: parens!(call!(Delimited::parse_terminated)) >>
+        inputs: parens!(Delimited::parse_terminated) >>
         ret: syn!(ReturnType) >>
         where_clause: option!(syn!(WhereClause)) >>
         inner_attrs_stmts: braces!(tuple!(
diff --git a/src/ty.rs b/src/ty.rs
index 88575a8..ad75b36 100644
--- a/src/ty.rs
+++ b/src/ty.rs
@@ -500,7 +500,7 @@
 
     impl Synom for TypeTuple {
         named!(parse -> Self, do_parse!(
-            data: parens!(call!(Delimited::parse_terminated)) >>
+            data: parens!(Delimited::parse_terminated) >>
             (TypeTuple {
                 elems: data.0,
                 paren_token: data.1,
@@ -579,7 +579,7 @@
 
     impl Synom for ParenthesizedGenericArguments {
         named!(parse -> Self, do_parse!(
-            data: parens!(call!(Delimited::parse_terminated)) >>
+            data: parens!(Delimited::parse_terminated) >>
             output: syn!(ReturnType) >>
             (ParenthesizedGenericArguments {
                 paren_token: data.1,
@@ -612,7 +612,7 @@
         named!(parse(allow_plus: bool) -> Self, do_parse!(
             dyn_token: option!(keyword!(dyn)) >>
             bounds: alt!(
-                cond_reduce!(allow_plus, call!(Delimited::parse_terminated_nonempty))
+                cond_reduce!(allow_plus, Delimited::parse_terminated_nonempty)
                 |
                 syn!(TypeParamBound) => { |x| vec![x].into() }
             ) >>