diff --git a/tests/gtest/fake_platform.cpp b/tests/gtest/fake_platform.cpp
index 399173edd..38831d618 100644
--- a/tests/gtest/fake_platform.cpp
+++ b/tests/gtest/fake_platform.cpp
@@ -41,6 +41,7 @@
 #include <openthread/tcat.h>
 #include <openthread/platform/ble.h>
 #include <openthread/platform/diag.h>
+#include <openthread/platform/dnssd.h>
 #include <openthread/platform/dso_transport.h>
 #include <openthread/platform/entropy.h>
 #include <openthread/platform/logging.h>
@@ -611,6 +612,60 @@ otError otPlatUdpLeaveMulticastGroup(otUdpSocket *, otNetifIdentifier, const otI
     return OT_ERROR_NOT_IMPLEMENTED;
 }
 
+otPlatDnssdState otPlatDnssdGetState(otInstance *) { return OT_PLAT_DNSSD_STOPPED; }
+
+void otPlatDnssdRegisterService(otInstance *,
+                                const otPlatDnssdService *,
+                                otPlatDnssdRequestId,
+                                otPlatDnssdRegisterCallback)
+{
+}
+
+void otPlatDnssdUnregisterService(otInstance *,
+                                  const otPlatDnssdService *,
+                                  otPlatDnssdRequestId,
+                                  otPlatDnssdRegisterCallback)
+{
+}
+
+void otPlatDnssdRegisterHost(otInstance *, const otPlatDnssdHost *, otPlatDnssdRequestId, otPlatDnssdRegisterCallback)
+{
+}
+
+void otPlatDnssdUnregisterHost(otInstance *, const otPlatDnssdHost *, otPlatDnssdRequestId, otPlatDnssdRegisterCallback)
+{
+}
+
+void otPlatDnssdRegisterKey(otInstance *, const otPlatDnssdKey *, otPlatDnssdRequestId, otPlatDnssdRegisterCallback) {}
+
+void otPlatDnssdUnregisterKey(otInstance *, const otPlatDnssdKey *, otPlatDnssdRequestId, otPlatDnssdRegisterCallback)
+{
+}
+
+void otPlatDnssdStartBrowser(otInstance *, const otPlatDnssdBrowser *) {}
+
+void otPlatDnssdStopBrowser(otInstance *, const otPlatDnssdBrowser *) {}
+
+void otPlatDnssdStartSrvResolver(otInstance *, const otPlatDnssdSrvResolver *) {}
+
+void otPlatDnssdStopSrvResolver(otInstance *, const otPlatDnssdSrvResolver *) {}
+
+void otPlatDnssdStartTxtResolver(otInstance *, const otPlatDnssdTxtResolver *) {}
+
+void otPlatDnssdStopTxtResolver(otInstance *, const otPlatDnssdTxtResolver *) {}
+
+void otPlatDnssdStartIp6AddressResolver(otInstance *, const otPlatDnssdAddressResolver *) {}
+
+void otPlatDnssdStopIp6AddressResolver(otInstance *, const otPlatDnssdAddressResolver *) {}
+
+void otPlatDnssdStartIp4AddressResolver(otInstance *, const otPlatDnssdAddressResolver *) {}
+
+void otPlatDnssdStopIp4AddressResolver(otInstance *, const otPlatDnssdAddressResolver *) {}
+
+void otPlatDnssdStartRecordQuerier(otInstance *, const otPlatDnssdRecordQuerier *) {}
+
+void otPlatDnssdStopRecordQuerier(otInstance *, const otPlatDnssdRecordQuerier *) {}
+
 #if OPENTHREAD_CONFIG_OTNS_ENABLE
 void otPlatOtnsStatus(const char *aStatus) { OT_UNUSED_VARIABLE(aStatus); }
 #endif