diff --git a/cc_read.c b/cc_read.c
index ca74324..ffc90d7 100644
--- a/cc_read.c
+++ b/cc_read.c
@@ -125,8 +125,6 @@ int main(int argc,char *argv[])
       fprintf(ficout,":02000004%04X%02X\n",bank/2,(-sum)&255 );
     }
     offset=0;
-    int len=0;
-    uint8_t buf[17];
     for ( uint16_t i=0 ; i<32 ; i++ )
     {
       do
diff --git a/cc_write.c b/cc_write.c
index defed0c..0ba75f3 100644
--- a/cc_write.c
+++ b/cc_write.c
@@ -24,7 +24,7 @@
 
 #include "CCDebugger.h"
 
-uint8_t buffer[601];
+char buffer[601];
 uint8_t data[260];
 uint8_t buf1[1024];
 uint8_t buf2[1024];
@@ -99,7 +99,7 @@ int verifPage(int page)
   return 0;
 }
 
-int writePage(int page)
+void writePage(int page)
 {
   uint8_t bank=page>>4;
   // get FMAP