diff --git a/Cargo.toml b/Cargo.toml
index d57556ef191..86cc6c45019 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,6 +46,9 @@ opt-level = 3
 # Disabling optimizations for cg_clif itself makes compilation after a change faster.
 opt-level = 0
 
+[profile.release.package.rustc_codegen_cranelift]
+incremental = true
+
 # Disable optimizations and debuginfo of build scripts and some of the heavy build deps, as the
 # execution time of build scripts is so fast that optimizing them slows down the total build time.
 [profile.dev.build-override]
diff --git a/test.sh b/test.sh
index ef50a4fc729..3028f5955ed 100755
--- a/test.sh
+++ b/test.sh
@@ -4,7 +4,7 @@ set -e
 # Build cg_clif
 if [[ "$1" == "--release" ]]; then
     export CHANNEL='release'
-    CARGO_INCREMENTAL=1 cargo rustc --release -- -Zrun_dsymutil=no
+    cargo rustc --release -- -Zrun_dsymutil=no
 else
     export CHANNEL='debug'
     cargo rustc -- -Zrun_dsymutil=no