diff --git a/Chapter04/bare/CMakeLists.txt b/Chapter04/bare/CMakeLists.txt
index b61ec91..bc9971e 100644
--- a/Chapter04/bare/CMakeLists.txt
+++ b/Chapter04/bare/CMakeLists.txt
@@ -115,10 +115,6 @@ target_link_options(
   -mcpu=cortex-m0
   -mthumb
   -specs=nano.specs
-  -lnosys
-  -u
-  -lc
-  -lm
   -Wl,--no-warn-rwx-segments
   -Wl,-Map=${PROJECT_NAME}.map,--cref
   -Wl,--gc-sections)