diff --git a/src/base.rs b/src/base.rs
index 8f9f6f98faf..d464bd3d12a 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -52,7 +52,7 @@ pub fn linkage_to_gcc(linkage: Linkage) -> FunctionType {
     }
 }
 
-pub fn compile_codegen_unit<'tcx>(tcx: TyCtxt<'tcx>, cgu_name: Symbol, supports_128bit_integers: bool) -> (ModuleCodegen<GccContext>, u64) {
+pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, supports_128bit_integers: bool) -> (ModuleCodegen<GccContext>, u64) {
     let prof_timer = tcx.prof.generic_activity("codegen_module");
     let start_time = Instant::now();
 
diff --git a/src/common.rs b/src/common.rs
index aa1c271c31c..d7df1347121 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -44,7 +44,7 @@ pub fn bytes_in_context<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, bytes: &[u8]) ->
     context.new_array_constructor(None, typ, &elements)
 }
 
-pub fn type_is_pointer<'gcc>(typ: Type<'gcc>) -> bool {
+pub fn type_is_pointer(typ: Type) -> bool {
     typ.get_pointee().is_some()
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index b9600da5c39..bf1da38312f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -161,7 +161,7 @@ fn codegen_allocator<'tcx>(&self, tcx: TyCtxt<'tcx>, module_name: &str, kind: Al
         mods
     }
 
-    fn compile_codegen_unit<'tcx>(&self, tcx: TyCtxt<'tcx>, cgu_name: Symbol) -> (ModuleCodegen<Self::Module>, u64) {
+    fn compile_codegen_unit(&self, tcx: TyCtxt<'_>, cgu_name: Symbol) -> (ModuleCodegen<Self::Module>, u64) {
         base::compile_codegen_unit(tcx, cgu_name, *self.supports_128bit_integers.lock().expect("lock"))
     }