diff --git a/library.json b/library.json
index cd05f8c..087470b 100644
--- a/library.json
+++ b/library.json
@@ -14,9 +14,6 @@
     {
       "name": "M5Utility"
     },
-    {
-      "name": "M5UnitComponent"
-    },
     {
       "name": "M5HAL"
     }
diff --git a/library.properties b/library.properties
index 84b99d7..4ca419b 100644
--- a/library.properties
+++ b/library.properties
@@ -8,4 +8,4 @@ category=Other
 url=https://github.com/m5stack/M5UnitUnified.git
 architectures=esp32
 includes=M5UnitUnified.h
-depends=M5Utility,M5UnitComponent,M5HAL
+depends=M5Utility,,M5HAL
diff --git a/src/m5_unit_component/types.hpp b/src/m5_unit_component/types.hpp
index 4d25112..e2f8e0f 100644
--- a/src/m5_unit_component/types.hpp
+++ b/src/m5_unit_component/types.hpp
@@ -20,9 +20,9 @@ namespace unit {
  */
 namespace types {
 
-using uid_t  = uint32_t;  //!< @brief Component unique identifier
-using attr_t = uint32_t;  //!< @brief Component attribute bits
-using elapsed_time_t = unsigned long; //!< @brief Elapsed time unit (ms)
+using uid_t          = uint32_t;       //!< @brief Component unique identifier
+using attr_t         = uint32_t;       //!< @brief Component attribute bits
+using elapsed_time_t = unsigned long;  //!< @brief Elapsed time unit (ms)
 
 }  // namespace types
 }  // namespace unit
diff --git a/src/m5_unit_component/utility.cpp b/src/m5_unit_component/utility.cpp
index 42cffd7..b008642 100644
--- a/src/m5_unit_component/utility.cpp
+++ b/src/m5_unit_component/utility.cpp
@@ -13,7 +13,7 @@ namespace m5 {
 namespace unit {
 namespace utility {
 
-//m5::utility::CRC8_Checksum WithCRC::crc8;
+// m5::utility::CRC8_Checksum WithCRC::crc8;
 
 }  // namespace utility
 }  // namespace unit
diff --git a/src/m5_unit_component/utility.hpp b/src/m5_unit_component/utility.hpp
index 8fe7e94..cfeac27 100644
--- a/src/m5_unit_component/utility.hpp
+++ b/src/m5_unit_component/utility.hpp
@@ -20,9 +20,7 @@ namespace unit {
   @namespace utility
   @brief Utilities for M5UnitComponent
  */
-namespace utility {
-
-}  // namespace utility
+namespace utility {}  // namespace utility
 }  // namespace unit
 }  // namespace m5