diff --git a/BUILD.gn b/BUILD.gn
index c62358f015c1d827aa9af813c80dc981091f6c75..737f8351731c6214a51df052958a260f81a3180e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -87,7 +87,6 @@ group("cert_manager_type_base") {
       "./config:trusted_system_certificate24",
       "./config:trusted_system_certificate25",
       "./config:trusted_system_certificate26",
-      "./config:trusted_system_certificate27",
       "./config:trusted_system_certificate28",
       "./config:trusted_system_certificate29",
       "./config:trusted_system_certificate3",
diff --git a/config/BUILD.gn b/config/BUILD.gn
index a6f4cb72d3b566cbae395c80b844171c78ccee85..730d4d1cd80f30167381c5c2521d87476145fe8e 100644
--- a/config/BUILD.gn
+++ b/config/BUILD.gn
@@ -310,17 +310,6 @@ ohos_prebuilt_etc("trusted_system_certificate26") {
   ]
 }
 
-ohos_prebuilt_etc("trusted_system_certificate27") {
-  source = "systemCertificates/653b494a.0"
-  part_name = "certificate_manager"
-  subsystem_name = "security"
-  relative_install_dir = "security/certificates"
-  install_images = [
-    "system",
-    "updater",
-  ]
-}
-
 ohos_prebuilt_etc("trusted_system_certificate28") {
   source = "systemCertificates/68dd7389.0"
   part_name = "certificate_manager"
diff --git a/config/systemCertificates/653b494a.0 b/config/systemCertificates/653b494a.0
deleted file mode 100644
index 519028c63b210b280f5e62defded25364d2e51b2..0000000000000000000000000000000000000000
--- a/config/systemCertificates/653b494a.0
+++ /dev/null
@@ -1,21 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ
-RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD
-VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX
-DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y
-ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy
-VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr
-mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr
-IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK
-mpYcqWe4PwzV9/lSEy/CG9VwcPCPwBLKBsua4dnKM3p31vjsufFoREJIE9LAwqSu
-XmD+tqYF/LTdB1kC1FkYmGP1pWPgkAx9XbIGevOF6uvUA65ehD5f/xXtabz5OTZy
-dc93Uk3zyZAsuT3lySNTPx8kmCFcB5kpvcY67Oduhjprl3RjM71oGDHweI12v/ye
-jl0qhqdNkNwnGjkCAwEAAaNFMEMwHQYDVR0OBBYEFOWdWTCCR1jMrPoIVDaGezq1
-BE3wMBIGA1UdEwEB/wQIMAYBAf8CAQMwDgYDVR0PAQH/BAQDAgEGMA0GCSqGSIb3
-DQEBBQUAA4IBAQCFDF2O5G9RaEIFoN27TyclhAO992T9Ldcw46QQF+vaKSm2eT92
-9hkTI7gQCvlYpNRhcL0EYWoSihfVCr3FvDB81ukMJY2GQE/szKN+OMY3EU/t3Wgx
-jkzSswF07r51XgdIGn9w/xZchMB5hbgF/X++ZRGjD8ACtPhSNzkE1akxehi/oCr0
-Epn3o0WC4zxe9Z2etciefC7IpJ5OCBRLbf1wbWsaY71k5h+3zvDyny67G7fyUIhz
-ksLi4xaNmjICq44Y3ekQEe5+NauQrz4wlHrQMz2nZQ/1/I6eYs9HRCwBXbsdtTLS
-R9I4LtD+gdwyah617jzV/OeBHRnDJELqYzmp
------END CERTIFICATE-----