diff --git a/services/aes/src/lib.rs b/services/aes/src/lib.rs
index bf2ff5052..044d2293a 100644
--- a/services/aes/src/lib.rs
+++ b/services/aes/src/lib.rs
@@ -31,15 +31,9 @@ mod vex;
 // library is patched into functions that are oblivious to these features.
 // so this library has to fall back on the legacy method of determining which build target
 // is being specified.
-#[cfg(not(any(
-    all(target_arch = "riscv32", not(feature = "cramium-soc")),
-    not(feature = "vexii-test")
-)))]
+#[cfg(not(any(all(target_arch = "riscv32", not(feature = "cramium-soc")), feature = "vexii-test")))]
 pub use soft::Aes128Soft as Aes128;
-#[cfg(not(any(
-    all(target_arch = "riscv32", not(feature = "cramium-soc")),
-    not(feature = "vexii-test")
-)))]
+#[cfg(not(any(all(target_arch = "riscv32", not(feature = "cramium-soc")), feature = "vexii-test")))]
 pub use soft::Aes256Soft as Aes256;
 #[cfg(all(
     all(target_arch = "riscv32", not(feature = "cramium-soc"), not(feature = "vexii-test")),
diff --git a/services/spinor/src/lib.rs b/services/spinor/src/lib.rs
index 315555835..9f681cd0c 100644
--- a/services/spinor/src/lib.rs
+++ b/services/spinor/src/lib.rs
@@ -27,6 +27,7 @@ use xous_ipc::Buffer;
 // Annotated onto this function; and we canreplace the ugly hex word with "cbo.flush 0({addr})"
 // while also losing the "mv a0, {addr}" that ensures that the argument ends
 // up where the .word expects it to be.
+#[cfg(feature = "vexii-test")]
 pub unsafe fn flush_block(addr: usize) {
     core::arch::asm!(
         "mv          a0, {addr}",