diff --git a/compiler/rustc_middle/src/ty/query/plumbing.rs b/compiler/rustc_middle/src/ty/query/plumbing.rs
index f3fa3634026fd..76c7b8f1253ca 100644
--- a/compiler/rustc_middle/src/ty/query/plumbing.rs
+++ b/compiler/rustc_middle/src/ty/query/plumbing.rs
@@ -346,7 +346,7 @@ macro_rules! define_queries_inner {
             $(pub type $name<$tcx> = $V;)*
         }
 
-        $(impl<$tcx> QueryConfig<TyCtxt<$tcx>> for queries::$name<$tcx> {
+        $(impl<$tcx> QueryConfig for queries::$name<$tcx> {
             type Key = $($K)*;
             type Value = $V;
             type Stored = <
@@ -447,7 +447,7 @@ macro_rules! define_queries_inner {
             #[inline(always)]
             #[must_use]
             pub fn $name(self, key: query_helper_param_ty!($($K)*))
-                -> <queries::$name<$tcx> as QueryConfig<TyCtxt<$tcx>>>::Stored
+                -> <queries::$name<$tcx> as QueryConfig>::Stored
             {
                 self.at(DUMMY_SP).$name(key.into_query_param())
             })*
@@ -486,7 +486,7 @@ macro_rules! define_queries_inner {
             $($(#[$attr])*
             #[inline(always)]
             pub fn $name(self, key: query_helper_param_ty!($($K)*))
-                -> <queries::$name<$tcx> as QueryConfig<TyCtxt<$tcx>>>::Stored
+                -> <queries::$name<$tcx> as QueryConfig>::Stored
             {
                 get_query::<queries::$name<'_>, _>(self.tcx, self.span, key.into_query_param())
             })*
diff --git a/compiler/rustc_query_system/src/query/config.rs b/compiler/rustc_query_system/src/query/config.rs
index 549056570f9bc..423b1fab143bf 100644
--- a/compiler/rustc_query_system/src/query/config.rs
+++ b/compiler/rustc_query_system/src/query/config.rs
@@ -12,9 +12,7 @@ use std::borrow::Cow;
 use std::fmt::Debug;
 use std::hash::Hash;
 
-// The parameter `CTX` is required in librustc_middle:
-// implementations may need to access the `'tcx` lifetime in `CTX = TyCtxt<'tcx>`.
-pub trait QueryConfig<CTX> {
+pub trait QueryConfig {
     const NAME: &'static str;
     const CATEGORY: ProfileCategory;
 
@@ -70,7 +68,7 @@ impl<CTX: QueryContext, K, V> QueryVtable<CTX, K, V> {
     }
 }
 
-pub trait QueryAccessors<CTX: QueryContext>: QueryConfig<CTX> {
+pub trait QueryAccessors<CTX: QueryContext>: QueryConfig {
     const ANON: bool;
     const EVAL_ALWAYS: bool;
     const DEP_KIND: CTX::DepKind;