diff --git a/.gitmodules b/.gitmodules
index ef50a8ab..e69de29b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "extern/uthash"]
-	path = extern/uthash
-	url = https://github.com/troydhanson/uthash.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5fb9d864..e7d01b30 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,10 +44,6 @@ add_custom_target(neuron-version
   COMMAND ${CMAKE_COMMAND} -P
           ${CMAKE_CURRENT_SOURCE_DIR}/cmake/neuron-version.cmake)
 
-configure_file(extern/uthash/include/uthash.h ${CMAKE_SOURCE_DIR}/include/neuron/utils/uthash.h)
-configure_file(extern/uthash/include/utarray.h ${CMAKE_SOURCE_DIR}/include/neuron/utils/utarray.h)
-configure_file(extern/uthash/include/utlist.h ${CMAKE_SOURCE_DIR}/include/neuron/utils/utlist.h)
-
 find_package(nng CONFIG REQUIRED)
 find_package(Threads)
 
diff --git a/README-CN.md b/README-CN.md
index 9840008c..5f778c7e 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -77,7 +77,6 @@ Neuron 文档地址：[https://neugates.io/docs/zh/latest/](https://neugates.io/
 ```
 $ git clone https://github.com/emqx/neuron
 $ cd neuron
-$ git submodule update --init
 $ mkdir build && cd build
 $ cmake .. && make
 ```
diff --git a/README.md b/README.md
index 823c30c8..6b0b8ad9 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,6 @@ The Neuron documentation is available at [neugates.io/docs/en/latest/](https://n
 ```
 $ git clone https://github.com/emqx/neuron
 $ cd neuron
-$ git submodule update --init
 $ mkdir build && cd build
 $ cmake .. && make
 ```
diff --git a/extern/uthash b/extern/uthash
deleted file mode 160000
index 44a66fe8..00000000
--- a/extern/uthash
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 44a66fe8e008c0a7f1c5af96f4a4cdf304b8bc81