diff --git a/armsrc/aes.c b/armsrc/aes.c
index 3df006bb3..a199d04b7 100644
--- a/armsrc/aes.c
+++ b/armsrc/aes.c
@@ -1,4 +1,3 @@
-#include "stdio.h"
 #include "aes.h"
 
 static const unsigned int Te0[256] = {
@@ -1138,6 +1137,9 @@ int AesDecrypt(AesCtx *pCtx, unsigned char *pCipher, unsigned char *pData, unsig
 //////////////////////////////////////////////////////////////////////////////
 
 #ifndef EMBEDDED
+
+#include <stdio.h>
+
 int main()
 {
     AesCtx ctx;
diff --git a/armsrc/optimized_cipher.c b/armsrc/optimized_cipher.c
index 444b93d09..235626211 100644
--- a/armsrc/optimized_cipher.c
+++ b/armsrc/optimized_cipher.c
@@ -61,7 +61,6 @@
 **/
 
 #include "optimized_cipher.h"
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
diff --git a/common/protocols.c b/common/protocols.c
index 6a4c9a103..aa80491b5 100644
--- a/common/protocols.c
+++ b/common/protocols.c
@@ -1,4 +1,3 @@
-#include <stdio.h>
 #include <strings.h>
 #include <string.h>
 #include <stdint.h>