diff --git a/src/opensuperclone/clone_gui2.c b/src/opensuperclone/clone_gui2.c
index b3b583a..108fe29 100644
--- a/src/opensuperclone/clone_gui2.c
+++ b/src/opensuperclone/clone_gui2.c
@@ -2298,7 +2298,6 @@ void get_source_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_source_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_source_ccc);
-  w = w;
 }
 
 void choose_destination_drive_ccc(void)
@@ -2449,7 +2448,6 @@ void get_destination_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_destination_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_destination_ccc);
-  w = w;
 }
 
 void choose_image_ccc(void)
@@ -5523,7 +5521,6 @@ void get_usb_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_usb_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_usb_ccc);
-  w = w;
 }
 
 void clear_usbr1_ccc(void)
diff --git a/src/opensuperclone/clone_gui3.c b/src/opensuperclone/clone_gui3.c
index c97160a..1dff9e2 100644
--- a/src/opensuperclone/clone_gui3.c
+++ b/src/opensuperclone/clone_gui3.c
@@ -2296,7 +2296,6 @@ void get_source_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_source_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_source_ccc);
-  w = w;
 }
 
 void choose_destination_drive_ccc(void)
@@ -2448,7 +2447,6 @@ void get_destination_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_destination_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_destination_ccc);
-  w = w;
 }
 
 void choose_image_ccc(void)
@@ -5498,7 +5496,6 @@ void get_usb_from_button_ccc(GtkWidget *w, gpointer data)
 {
   new_usb_ccc = GPOINTER_TO_INT(data);
   g_print("selection=%d  \n", new_usb_ccc);
-  w = w;
 }
 
 void clear_usbr1_ccc(void)
diff --git a/src/opensuperclone/commands.c b/src/opensuperclone/commands.c
index 2ff2283..3e4c1b9 100644
--- a/src/opensuperclone/commands.c
+++ b/src/opensuperclone/commands.c
@@ -7292,8 +7292,6 @@ int send_usb_control_msg_ccc(bool perform_check, unsigned int line_number, char
 
 int usb_raw_read_ccc(bool perform_check, unsigned int line_number, char *rest_of_line)
 {
-  line_number = line_number;
-  rest_of_line = rest_of_line;
   if (!perform_check)
   {
     return_value_ccc = do_usb_raw_read_ccc(usb_timeout_ccc);
@@ -7304,8 +7302,6 @@ int usb_raw_read_ccc(bool perform_check, unsigned int line_number, char *rest_of
 
 int usb_raw_write_ccc(bool perform_check, unsigned int line_number, char *rest_of_line)
 {
-  line_number = line_number;
-  rest_of_line = rest_of_line;
   if (!perform_check)
   {
     return_value_ccc = do_usb_raw_write_ccc(usb_timeout_ccc);
@@ -7316,8 +7312,6 @@ int usb_raw_write_ccc(bool perform_check, unsigned int line_number, char *rest_o
 
 int usb_reset_ccc(bool perform_check, unsigned int line_number, char *rest_of_line)
 {
-  line_number = line_number;
-  rest_of_line = rest_of_line;
   if (!perform_check)
   {
     return_value_ccc = do_usb_reset_ccc();
diff --git a/src/opensuperclone/io.c b/src/opensuperclone/io.c
index c83e62e..6042003 100644
--- a/src/opensuperclone/io.c
+++ b/src/opensuperclone/io.c
@@ -2221,11 +2221,6 @@ int ahci_rw_ccc(int command_type, int write_bit)
       return 0;
     }
   }
-  else
-  {
-    command_type = command_type;
-    write_bit = write_bit;
-  }
   return 0;
 }
 
@@ -2375,7 +2370,6 @@ int do_ata_dma_read_ccc(int command_type)
   }
   else
   {
-    command_type = command_type;
     sprintf(tempmessage_ccc, "ERROR: DMA not allowed in free version.\n");
     if (superclone_ccc)
     {
@@ -2709,7 +2703,6 @@ int do_ata_dma_write_ccc(int command_type)
   }
   else
   {
-    command_type = command_type;
     sprintf(tempmessage_ccc, "ERROR: DMA not allowed in free version.\n");
     if (superclone_ccc)
     {
@@ -7966,10 +7959,6 @@ int identify_device_ahci_ccc(int count)
 
     memset(ccc_buffer_ccc, 0, ccc_main_buffer_size_ccc);
   }
-  else
-  {
-    count = count;
-  }
   return (0);
 }
 
@@ -10224,7 +10213,6 @@ int disable_fis_ccc(unsigned long long time)
   }
   else
   {
-    time = time;
     timeout = 0;
   }
   return (timeout);
@@ -10263,7 +10251,6 @@ int enable_fis_ccc(unsigned long long time)
   }
   else
   {
-    time = time;
     timeout = 0;
   }
   return (timeout);
@@ -10302,7 +10289,6 @@ int disable_start_ccc(unsigned long long time)
   }
   else
   {
-    time = time;
     timeout = 0;
   }
   return (timeout);
@@ -10341,7 +10327,6 @@ int enable_start_ccc(unsigned long long time)
   }
   else
   {
-    time = time;
     timeout = 0;
   }
   return (timeout);
@@ -10379,7 +10364,6 @@ int enable_command_issue_ccc(unsigned long long time)
   }
   else
   {
-    time = time;
     timeout = 0;
   }
   return (timeout);
diff --git a/src/opensuperclone/opensuperclone.c b/src/opensuperclone/opensuperclone.c
index 371a803..1731d2b 100644
--- a/src/opensuperclone/opensuperclone.c
+++ b/src/opensuperclone/opensuperclone.c
@@ -4844,7 +4844,7 @@ int do_fill_ccc(int status, long long mask)
         {
           write_size = destination_sectors - current_position_ccc;
         }
-        int ret = ret = write_chunk_ccc(current_position_ccc, write_size);
+        int ret = write_chunk_ccc(current_position_ccc, write_size);
         if (ret)
         {
           // write error
@@ -13327,7 +13327,6 @@ int process_source_ccc(void)
     if (!data_read_from_log_ccc)
     {
       sector_size_ccc = bytes_per_sector_ccc;
-      sector_offset = sector_offset;
       if (superbyte_ccc[23] == 0x5b)
       {
         block_size_ccc = logical_sectors_per_physical;
@@ -13673,7 +13672,6 @@ int process_source_ccc(void)
     if (!data_read_from_log_ccc)
     {
       sector_size_ccc = blocksize;
-      sector_offset = sector_offset;
       if (superbyte_ccc[23] == 0x5b)
       {
         block_size_ccc = logical_sectors_per_physical;
@@ -13767,7 +13765,6 @@ int process_source_ccc(void)
     if (!data_read_from_log_ccc)
     {
       sector_size_ccc = bytes_per_log_sec;
-      sector_offset = sector_offset;
       if (superbyte_ccc[23] == 0x5b)
       {
         block_size_ccc = blocksize;