diff --git a/examples/sotest/sotest_main.c b/examples/sotest/sotest_main.c
index b068479d4..5c1568e59 100644
--- a/examples/sotest/sotest_main.c
+++ b/examples/sotest/sotest_main.c
@@ -36,6 +36,7 @@
 #include <dlfcn.h>
 #include <errno.h>
 #include <debug.h>
+#include <unistd.h>
 
 #include <nuttx/symtab.h>
 
@@ -282,6 +283,8 @@ int main(int argc, FAR char *argv[])
               BINDIR, errno);
       exit(EXIT_FAILURE);
     }
+
+  unlink(devname);
 #endif /* CONFIG_EXAMPLES_SOTEST_BUILTINFS */
 
   return EXIT_SUCCESS;