diff --git a/examples/nn_melotts/main/src/main.cpp b/examples/nn_melotts/main/src/main.cpp
index 3da23021..e5a517e9 100644
--- a/examples/nn_melotts/main/src/main.cpp
+++ b/examples/nn_melotts/main/src/main.cpp
@@ -3,9 +3,6 @@
 #include "maix_nn_melotts.hpp"
 #include "main.h"
 #include "maix_image.hpp"
-#ifndef PLATFORM_MAIXCAM2
-#error "This demo only support maixcam2"
-#else
 using namespace maix;
 int _main(int argc, char *argv[])
 {
@@ -70,5 +67,4 @@ int main(int argc, char *argv[])
     // if we don't catch exception, when program throw exception, the objects will not be destructed.
     // So we catch exception here to let resources be released(call objects' destructor) before exit.
     CATCH_EXCEPTION_RUN_RETURN(_main, -1, argc, argv);
-}
-#endif
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/examples/nn_whisper/main/src/main.cpp b/examples/nn_whisper/main/src/main.cpp
index c526b528..8ff8db5f 100644
--- a/examples/nn_whisper/main/src/main.cpp
+++ b/examples/nn_whisper/main/src/main.cpp
@@ -2,9 +2,6 @@
 #include "maix_basic.hpp"
 #include "maix_nn_whisper.hpp"
 #include "main.h"
-#ifndef PLATFORM_MAIXCAM2
-#error "This demo only support maixcam2"
-#else
 using namespace maix;
 
 int _main(int argc, char *argv[])
@@ -66,5 +63,4 @@ int main(int argc, char *argv[])
     // if we don't catch exception, when program throw exception, the objects will not be destructed.
     // So we catch exception here to let resources be released(call objects' destructor) before exit.
     CATCH_EXCEPTION_RUN_RETURN(_main, -1, argc, argv);
-}
-#endif
\ No newline at end of file
+}
\ No newline at end of file