diff --git a/openssl_sm2.pem b/openssl_sm2.pem
deleted file mode 100644
index d8316243d1d6aea95de3da94f0cd916baedfcb94..0000000000000000000000000000000000000000
--- a/openssl_sm2.pem
+++ /dev/null
@@ -1,5 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIGHAgEAMBMGByqGSM49AgEGCCqBHM9VAYItBG0wawIBAQQg0JFWczAXva2An9m7
-2MaT9gIwWTFptvlKrxyO4TjMmbWhRANCAAQ5OirZ4n5DrKqrhaGdO4VZHhRAYVcX
-Wt3Te/d/8Mr57Tf886i09VwDhSMmH8pmNq/mp6+ioUgqYG9cs6GLLioe
------END PRIVATE KEY-----