diff --git a/src/peripheral/CMakeLists.txt b/src/peripheral/CMakeLists.txt
index 3e7056d..d4f82c3 100644
--- a/src/peripheral/CMakeLists.txt
+++ b/src/peripheral/CMakeLists.txt
@@ -15,12 +15,6 @@ add_library(ch32v20x_adc SHARED
 target_include_directories(ch32v20x_adc PUBLIC ./inc)
 
 
-add_library(ch32v20x_xxx SHARED
-    src/ch32v20x_xxx.c
-)
-target_include_directories(ch32v20x_xxx PUBLIC ./inc)
-
-
 add_library(ch32v20x_can SHARED
     src/ch32v20x_can.c
 )