diff --git a/src/main/resources/certificate/elink-oauth-dev.jks b/src/main/resources/certificate/elink-oauth-dev.jks
deleted file mode 100644
index 68a25f7..0000000
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diff --git a/src/main/resources/certificate/elink-oauth-dev.pub b/src/main/resources/certificate/elink-oauth-dev.pub
deleted file mode 100644
index d1dae40..0000000
--- a/src/main/resources/certificate/elink-oauth-dev.pub
+++ /dev/null
@@ -1,9 +0,0 @@
------BEGIN PUBLIC KEY-----
-MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjT8R5ujHcHCsW7/pnw4h
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-AOCq92vywvO6SW96hSIaClo3L8AouLYm4Gp1ZqD+k8LW3r0Re8gk3Na1Jp6/NvbB
-CQIDAQAB
------END PUBLIC KEY-----
diff --git a/src/main/resources/certificate/keystore.p12 b/src/main/resources/certificate/keystore.p12
deleted file mode 100644
index 8b520d2..0000000
Binary files a/src/main/resources/certificate/keystore.p12 and /dev/null differ
diff --git a/src/main/resources/certificate/product/elink-oauth-prod.jks b/src/main/resources/certificate/product/elink-oauth-prod.jks
deleted file mode 100644
index 1a23d34..0000000
Binary files a/src/main/resources/certificate/product/elink-oauth-prod.jks and /dev/null differ
diff --git a/src/main/resources/certificate/product/elink-oauth-prod.pub b/src/main/resources/certificate/product/elink-oauth-prod.pub
deleted file mode 100644
index 2d10ff9..0000000
--- a/src/main/resources/certificate/product/elink-oauth-prod.pub
+++ /dev/null
@@ -1,9 +0,0 @@
------BEGIN PUBLIC KEY-----
-MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAix2aE0JUkUDGfGAWH23S
-uVqh+yRzxVTZ8yy8gtz1MOUSLOFOtme6AgVyfVmOs7p/HyNl6oe9Iw3FM/70Mpn0
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-0DjZ9jjwLFGUYNsFa4HeRHMg1YioyT2luw2gDoe06D6+CAYc893tgNa32+K+KURd
-dQIDAQAB
------END PUBLIC KEY-----