diff --git a/meta-python/recipes-devtools/python/python3-pyserial_3.5.bb b/meta-python/recipes-devtools/python/python3-pyserial_3.5.bb
index 4766d92266..15646235df 100644
--- a/meta-python/recipes-devtools/python/python3-pyserial_3.5.bb
+++ b/meta-python/recipes-devtools/python/python3-pyserial_3.5.bb
@@ -9,6 +9,7 @@ inherit pypi setuptools3 ptest
 do_install:append() {
     rm -f ${D}${bindir}/pyserial-miniterm
     rm -f ${D}${bindir}/pyserial-ports
+    rm -rf ${D}${bindir}/__pycache__
     rmdir ${D}${bindir}
 }