diff --git a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-GetCertificates/certificate-GetCertificates.cpp b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-GetCertificates/certificate-GetCertificates.cpp
index 5440a6789..4adf25a08 100644
--- a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-GetCertificates/certificate-GetCertificates.cpp
+++ b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-GetCertificates/certificate-GetCertificates.cpp
@@ -24,6 +24,7 @@
 
 #include <chrono>
 #include <iostream>
+#include <thread>
 
 using namespace Azure::Security::KeyVault::Certificates;
 using namespace std::chrono_literals;
diff --git a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-ImportCertificate/certificate-ImportCertificate.cpp b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-ImportCertificate/certificate-ImportCertificate.cpp
index 5eb6b7553..07cbdf814 100644
--- a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-ImportCertificate/certificate-ImportCertificate.cpp
+++ b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-ImportCertificate/certificate-ImportCertificate.cpp
@@ -158,7 +158,7 @@ std::string GetPemCertificate()
         "BkRGMfUngiT8oVyaMtZWYPM=\n"
         "-----END PRIVATE KEY-----\n";
   return pemCertificate;
-};
+}
 
 std::string GetPkcsCertificate()
 {
@@ -218,5 +218,5 @@ std::string GetPkcsCertificate()
         "BgUrDgMCGgUABBQ3xckfQUCgNMIXxUvrEUKgdeV8lQQIAPCuS/4UMrICAggA";
 
   return pkcsCertificate;
-};
+}
 /* cSpell:enable */
diff --git a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-basic-operations/certificate-basic-operations.cpp b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-basic-operations/certificate-basic-operations.cpp
index 88067e24b..28d1c163e 100644
--- a/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-basic-operations/certificate-basic-operations.cpp
+++ b/sdk/keyvault/azure-security-keyvault-certificates/samples/certificate-basic-operations/certificate-basic-operations.cpp
@@ -21,6 +21,7 @@
 
 #include <chrono>
 #include <iostream>
+#include <thread>
 
 using namespace Azure::Security::KeyVault::Certificates;
 using namespace std::chrono_literals;