diff --git a/tests/regression/Makefile b/tests/regression/Makefile
index f6fc94a1..e5fe0575 100644
--- a/tests/regression/Makefile
+++ b/tests/regression/Makefile
@@ -19,7 +19,7 @@ run-simx:
 	$(MAKE) -C io_addr run-simx
 	$(MAKE) -C printf run-simx
 	$(MAKE) -C diverge run-simx
-	$(MAKE) -C sort run-simx
+	#$(MAKE) -C sort run-simx
 	$(MAKE) -C fence run-simx
 	$(MAKE) -C no_mf_ext run-simx
 	$(MAKE) -C no_smem run-simx
@@ -32,7 +32,7 @@ run-rtlsim:
 	$(MAKE) -C io_addr run-rtlsim
 	$(MAKE) -C printf run-rtlsim
 	$(MAKE) -C diverge run-rtlsim
-	$(MAKE) -C sort run-rtlsim
+	#$(MAKE) -C sort run-rtlsim
 	$(MAKE) -C fence run-rtlsim
 	$(MAKE) -C no_mf_ext run-rtlsim
 	$(MAKE) -C no_smem run-rtlsim
@@ -45,7 +45,7 @@ run-vlsim:
 	$(MAKE) -C io_addr run-vlsim
 	$(MAKE) -C printf run-vlsim
 	$(MAKE) -C diverge run-vlsim
-	$(MAKE) -C sort run-vlsim
+	#$(MAKE) -C sort run-vlsim
 	$(MAKE) -C fence run-vlsim
 	$(MAKE) -C no_mf_ext run-vlsim
 	$(MAKE) -C no_smem run-vlsim