diff --git a/bsp/stm32f40x/project.uvopt b/bsp/stm32f40x/project.uvopt
deleted file mode 100644
index 9661193e93..0000000000
--- a/bsp/stm32f40x/project.uvopt
+++ /dev/null
@@ -1,1206 +0,0 @@
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diff --git a/bsp/stm32f40x/project.uvproj b/bsp/stm32f40x/project.uvproj
index 85c434a0e9..da6c71a151 100644
--- a/bsp/stm32f40x/project.uvproj
+++ b/bsp/stm32f40x/project.uvproj
@@ -640,6 +640,13 @@
               <FilePath>drivers/board.c</FilePath>
             </File>
           </Files>
+          <Files>
+            <File>
+              <FileName>gpio.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers/gpio.c</FilePath>
+            </File>
+          </Files>
           <Files>
             <File>
               <FileName>stm32f4xx_it.c</FileName>