diff --git a/src/abi.rs b/src/abi.rs
index 2c796d0f69e..0ed3e1fbe93 100644
--- a/src/abi.rs
+++ b/src/abi.rs
@@ -1,6 +1,6 @@
 use gccjit::{ToLValue, ToRValue, Type};
 use rustc_codegen_ssa::traits::{AbiBuilderMethods, BaseTypeMethods};
-use rustc_data_structures::stable_set::FxHashSet;
+use rustc_data_structures::fx::FxHashSet;
 use rustc_middle::bug;
 use rustc_middle::ty::Ty;
 use rustc_target::abi::call::{CastTarget, FnAbi, PassMode, Reg, RegKind};
diff --git a/src/builder.rs b/src/builder.rs
index fa490fe3f22..6221a7f6d93 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -30,7 +30,7 @@
     OverflowOp,
     StaticBuilderMethods,
 };
-use rustc_data_structures::stable_set::FxHashSet;
+use rustc_data_structures::fx::FxHashSet;
 use rustc_middle::ty::{ParamEnv, Ty, TyCtxt};
 use rustc_middle::ty::layout::{FnAbiError, FnAbiOfHelpers, FnAbiRequest, HasParamEnv, HasTyCtxt, LayoutError, LayoutOfHelpers, TyAndLayout};
 use rustc_span::Span;