diff --git a/examples/apps/cli/main.c b/examples/apps/cli/main.c
index 357964114..934b4a5db 100644
--- a/examples/apps/cli/main.c
+++ b/examples/apps/cli/main.c
@@ -46,6 +46,10 @@ jmp_buf gResetJump;
 void __gcov_flush();
 #endif
 
+#ifndef OPENTHREAD_ENABLE_COVERAGE
+#define OPENTHREAD_ENABLE_COVERAGE 0
+#endif
+
 #if OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
 void *otPlatCAlloc(size_t aNum, size_t aSize)
 {
diff --git a/examples/apps/ncp/main.c b/examples/apps/ncp/main.c
index d98221532..8fdd54427 100644
--- a/examples/apps/ncp/main.c
+++ b/examples/apps/ncp/main.c
@@ -45,6 +45,10 @@ jmp_buf gResetJump;
 void __gcov_flush();
 #endif
 
+#ifndef OPENTHREAD_ENABLE_COVERAGE
+#define OPENTHREAD_ENABLE_COVERAGE 0
+#endif
+
 #if OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
 void *otPlatCAlloc(size_t aNum, size_t aSize)
 {
diff --git a/src/posix/main.c b/src/posix/main.c
index 68a8e815e..dc2f46bcb 100644
--- a/src/posix/main.c
+++ b/src/posix/main.c
@@ -62,6 +62,10 @@
 #endif
 #include <openthread-system.h>
 
+#ifndef OPENTHREAD_ENABLE_COVERAGE
+#define OPENTHREAD_ENABLE_COVERAGE 0
+#endif
+
 typedef struct PosixConfig
 {
     otPlatformConfig mPlatformConfig;    ///< Platform configuration.