diff --git a/pipelined/regression/Makefile b/pipelined/regression/Makefile
index 8bcb403c7..d9298e7b9 100644
--- a/pipelined/regression/Makefile
+++ b/pipelined/regression/Makefile
@@ -11,8 +11,8 @@ make all:
 	# *** Build old tests/imperas-riscv-tests for now;
 	# Delete this part when the privileged tests transition over to tests/wally-riscv-arch-test
 	# Also delete bin/exe2memfile at that point
-	make -C ../../tests/imperas-riscv-tests
-	make -C ../../tests/imperas-riscv-tests XLEN=64
+#	make -C ../../tests/imperas-riscv-tests
+#	make -C ../../tests/imperas-riscv-tests XLEN=64
 	cd ../../tests/imperas-riscv-tests; exe2memfile.pl work/*/*.elf