diff --git a/build.sc b/build.sc
index b97b73f9709..beefece7db0 100644
--- a/build.sc
+++ b/build.sc
@@ -317,8 +317,8 @@ object emulator extends Cross[Emulator](
   //
   ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.DefaultRV32Config"),
   ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.DefaultFP16Config"),
-  ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.BitManipCryptoConfig"),
-  ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.BitManipCrypto32Config"),
+//  ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.BitManipCryptoConfig"),
+//  ("freechips.rocketchip.system.TestHarness", "freechips.rocketchip.system.BitManipCrypto32Config"),
 )
 
 object `runnable-riscv-test` extends mill.Cross[RiscvTest](