diff --git a/.github/workflows/C++_app.yml b/.github/workflows/C++_app.yml
index f2252e0e81..85dd734769 100644
--- a/.github/workflows/C++_app.yml
+++ b/.github/workflows/C++_app.yml
@@ -36,7 +36,7 @@ jobs:
         pip install -r app_C++/requirements.txt
         sudo apt update
         sudo apt install cppcheck wget
-        mkdir -p /usr/local/include && wget https://raw.githubusercontent.com/yhirose/cpp-httplib/master/httplib.h -O /usr/local/include/httplib.h
+        sudo mkdir -p /usr/local/include && sudo wget https://raw.githubusercontent.com/yhirose/cpp-httplib/master/httplib.h -O /usr/local/include/httplib.h
 
     - name: Lint with Cppcheck
       run: |
diff --git a/app_C++/tmp b/app_C++/tmp
deleted file mode 100644
index 0ddf2bae71..0000000000
--- a/app_C++/tmp
+++ /dev/null
@@ -1 +0,0 @@
-i