diff --git a/bsp/cvitek/c906_little/SConstruct b/bsp/cvitek/c906_little/SConstruct
index 0a1878479d..6d07b7f5a7 100755
--- a/bsp/cvitek/c906_little/SConstruct
+++ b/bsp/cvitek/c906_little/SConstruct
@@ -26,10 +26,7 @@ Export('rtconfig')
 
 SDK_ROOT = os.path.abspath('./')
 
-if os.path.exists(SDK_ROOT + '/drivers'):
-    drivers_path_prefix = SDK_ROOT + '/drivers'
-else:
-    drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
+drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
 
 # prepare building environment
 objs = PrepareBuilding(env, RTT_ROOT, has_libcpu = False)
diff --git a/bsp/cvitek/cv18xx_aarch64/SConstruct b/bsp/cvitek/cv18xx_aarch64/SConstruct
index 1642f6ef13..a6d47ce514 100644
--- a/bsp/cvitek/cv18xx_aarch64/SConstruct
+++ b/bsp/cvitek/cv18xx_aarch64/SConstruct
@@ -38,10 +38,7 @@ Export('rtconfig')
 
 SDK_ROOT = os.path.abspath('./')
 
-if os.path.exists(SDK_ROOT + '/drivers'):
-    drivers_path_prefix = SDK_ROOT + '/drivers'
-else:
-    drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
+drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
 
 # prepare building environment
 objs = PrepareBuilding(env, RTT_ROOT)
diff --git a/bsp/cvitek/cv18xx_risc-v/SConstruct b/bsp/cvitek/cv18xx_risc-v/SConstruct
index 8743a97fe9..d8f57e0def 100755
--- a/bsp/cvitek/cv18xx_risc-v/SConstruct
+++ b/bsp/cvitek/cv18xx_risc-v/SConstruct
@@ -26,10 +26,7 @@ rtconfig.ARCH='risc-v'
 
 SDK_ROOT = os.path.abspath('./')
 
-if os.path.exists(SDK_ROOT + '/drivers'):
-    drivers_path_prefix = SDK_ROOT + '/drivers'
-else:
-    drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
+drivers_path_prefix = os.path.dirname(SDK_ROOT) + '/drivers'
 
 # prepare building environment
 objs = PrepareBuilding(env, RTT_ROOT, has_libcpu = False)