diff --git a/steps-guix/linux-6.12.74/pass1.sh b/steps-guix/linux-6.12.74/pass1.sh
index 75f4f65d..93d57f86 100644
--- a/steps-guix/linux-6.12.74/pass1.sh
+++ b/steps-guix/linux-6.12.74/pass1.sh
@@ -3,21 +3,16 @@
 : "${KERNEL_SYSROOT:=/kernel-toolchain}"
 : "${KERNEL_TARGET:=x86_64-unknown-linux-musl}"
 
-kernel_env() {
-    # Keep host tools on the host toolchain; target tools come from CROSS_COMPILE.
-    export PATH="/usr/bin:/bin"
-    export HOSTCC="gcc"
-    export HOSTCXX="g++"
-    export HOSTLD="ld"
-    export HOSTAR="ar"
-    export HOSTCFLAGS="-I${KERNEL_SYSROOT}/include"
-    export HOSTLDFLAGS="-L${KERNEL_SYSROOT}/lib"
-    export LD_LIBRARY_PATH="${KERNEL_SYSROOT}/lib:${LD_LIBRARY_PATH}"
-}
-
 kernel_make() {
-    kernel_env
     make "${MAKEJOBS}" \
+        PATH="/usr/bin:/bin" \
+        HOSTCC="gcc" \
+        HOSTCXX="g++" \
+        HOSTLD="ld" \
+        HOSTAR="ar" \
+        HOSTCFLAGS="-I${KERNEL_SYSROOT}/include" \
+        HOSTLDFLAGS="-L${KERNEL_SYSROOT}/lib" \
+        LD_LIBRARY_PATH="${KERNEL_SYSROOT}/lib:${LD_LIBRARY_PATH}" \
         ARCH=x86_64 \
         CROSS_COMPILE="${KERNEL_SYSROOT}/bin/${KERNEL_TARGET}-" \
         "$@"