diff --git a/src/librustc_codegen_llvm/consts.rs b/src/librustc_codegen_llvm/consts.rs
index 07dde2d0301f..aac3ee903b10 100644
--- a/src/librustc_codegen_llvm/consts.rs
+++ b/src/librustc_codegen_llvm/consts.rs
@@ -171,7 +171,7 @@ pub fn ptrcast(val: &'ll Value, ty: &'ll Type) -> &'ll Value {
     }
 }
 
-impl StaticMethods<'tcx> for CodegenCx<'ll, 'tcx> {
+impl StaticMethods for CodegenCx<'ll, 'tcx> {
 
     fn static_ptrcast(&self, val: &'ll Value, ty: &'ll Type) -> &'ll Value {
         ptrcast(val, ty)
diff --git a/src/librustc_codegen_ssa/traits/consts.rs b/src/librustc_codegen_ssa/traits/consts.rs
index c0a544521956..e30567c78faa 100644
--- a/src/librustc_codegen_ssa/traits/consts.rs
+++ b/src/librustc_codegen_ssa/traits/consts.rs
@@ -8,14 +8,14 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use super::Backend;
+use super::BackendTypes;
 use mir::place::PlaceRef;
 use rustc::mir::interpret::Allocation;
 use rustc::mir::interpret::Scalar;
 use rustc::ty::layout;
 use syntax::symbol::LocalInternedString;
 
-pub trait ConstMethods<'tcx>: Backend<'tcx> {
+pub trait ConstMethods<'tcx>: BackendTypes {
     // Constant constructors
 
     fn const_null(&self, t: Self::Type) -> Self::Value;
diff --git a/src/librustc_codegen_ssa/traits/mod.rs b/src/librustc_codegen_ssa/traits/mod.rs
index 1c334898ce6a..b475d790140b 100644
--- a/src/librustc_codegen_ssa/traits/mod.rs
+++ b/src/librustc_codegen_ssa/traits/mod.rs
@@ -62,7 +62,7 @@ pub trait CodegenMethods<'tcx>:
     + TypeMethods<'tcx>
     + MiscMethods<'tcx>
     + ConstMethods<'tcx>
-    + StaticMethods<'tcx>
+    + StaticMethods
     + DebugInfoMethods<'tcx>
     + AbiMethods<'tcx>
     + IntrinsicDeclarationMethods<'tcx>
@@ -77,7 +77,7 @@ impl<'tcx, T> CodegenMethods<'tcx> for T where
         + TypeMethods<'tcx>
         + MiscMethods<'tcx>
         + ConstMethods<'tcx>
-        + StaticMethods<'tcx>
+        + StaticMethods
         + DebugInfoMethods<'tcx>
         + AbiMethods<'tcx>
         + IntrinsicDeclarationMethods<'tcx>
diff --git a/src/librustc_codegen_ssa/traits/statics.rs b/src/librustc_codegen_ssa/traits/statics.rs
index 172c48f8a85f..5026d34dcadc 100644
--- a/src/librustc_codegen_ssa/traits/statics.rs
+++ b/src/librustc_codegen_ssa/traits/statics.rs
@@ -8,11 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use super::Backend;
+use super::BackendTypes;
 use rustc::hir::def_id::DefId;
 use rustc::ty::layout::Align;
 
-pub trait StaticMethods<'tcx>: Backend<'tcx> {
+pub trait StaticMethods: BackendTypes {
     fn static_ptrcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;
     fn static_bitcast(&self, val: Self::Value, ty: Self::Type) -> Self::Value;
     fn static_addr_of_mut(&self, cv: Self::Value, align: Align, kind: Option<&str>) -> Self::Value;