diff --git a/utils/mks5lboot/ipoddfu.c b/utils/mks5lboot/ipoddfu.c
index 47421f1945..7335567b21 100644
--- a/utils/mks5lboot/ipoddfu.c
+++ b/utils/mks5lboot/ipoddfu.c
@@ -890,7 +890,7 @@ static void dfuapi_destroy(struct dfuDev *dfuh)
 
 static struct dfuDev *dfuapi_create(void)
 {
-    return calloc(sizeof(struct dfuDev), 1);
+        return calloc(1, sizeof(struct dfuDev));
 }
 
 
diff --git a/utils/nwztools/emmctools/emmctool.c b/utils/nwztools/emmctools/emmctool.c
index 99b3d9a462..bfcffa5aef 100644
--- a/utils/nwztools/emmctools/emmctool.c
+++ b/utils/nwztools/emmctools/emmctool.c
@@ -46,6 +46,7 @@ static int g_nvp_node = -1;
 
 #define errorf(...) do { cprintf(GREY, __VA_ARGS__); return __LINE__; } while(0)
 
+#if 0
 static void print_hex(void *p, int size, int unit)
 {
     uint8_t *p8 = p;
@@ -63,6 +64,7 @@ static void print_hex(void *p, int size, int unit)
             printf(" %08x", *p32);
     }
 }
+#endif
 
 #define SECTOR              512u
 #define EMMC_MINIBOOT_START 0
diff --git a/utils/rbutilqt/quazip/minizip_crypt.h b/utils/rbutilqt/quazip/minizip_crypt.h
index 2e833f7f3c..a82252bdf2 100644
--- a/utils/rbutilqt/quazip/minizip_crypt.h
+++ b/utils/rbutilqt/quazip/minizip_crypt.h
@@ -90,13 +90,7 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t FAR
 #    define ZCR_SEED2 3141592654UL     /* use PI as default pattern */
 #  endif
 
-static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting)
-    const char *passwd;         /* password string */
-    unsigned char *buf;         /* where to write header */
-    int bufSize;
-    unsigned long* pkeys;
-    const z_crc_t FAR * pcrc_32_tab;
-    unsigned long crcForCrypting;
+static int crypthead(const char *passwd, unsigned char *buf, int bufSize, unsigned long *pkeys, const z_crc_t FAR *pcrc_32_tab, unsigned long crcForCrypting)
 {
     int n;                       /* index in random header */
     int t;                       /* temporary */
diff --git a/utils/sansapatcher/sansapatcher.c b/utils/sansapatcher/sansapatcher.c
index 3510eb9c22..b6030604f0 100644
--- a/utils/sansapatcher/sansapatcher.c
+++ b/utils/sansapatcher/sansapatcher.c
@@ -144,11 +144,7 @@ int sansa_read_partinfo(struct sansa_t* sansa, int silent)
 
 /* Return the first occurrence of NEEDLE in HAYSTACK.  */
 static void *
-sansa_memmem (haystack, haystack_len, needle, needle_len)
-     const void *haystack;
-     size_t haystack_len;
-     const void *needle;
-     size_t needle_len;
+sansa_memmem (const void *haystack, size_t haystack_len, const void *needle, size_t needle_len)
 {
   const char *begin;
   const char *const last_possible
@@ -248,7 +244,7 @@ static const uint32_t keys[][4] = {
     { 0xe494e96e, 0x3ee32966, 0x6f48512b, 0xa93fbb42 }, /* "sansa" */
     { 0xd7b10538, 0xc662945b, 0x1b3fce68, 0xf389c0e6 }, /* "sansa_gh" */
     { 0x1d29ddc0, 0x2579c2cd, 0xce339e1a, 0x75465dfe }, /* sansa 103 */
-    
+
     { 0x2a7968de, 0x15127979, 0x142e60a7, 0xe49c1893 }, /* c200 1.00.03 */
     { 0xbf2d06fa, 0xf0e23d59, 0x29738132, 0xe2d04ca7 }, /* c200 1.00.04 and up*/
     { 0xa913d139, 0xf842f398, 0x3e03f1a6, 0x060ee012 }, /* c200 1.01.05 and up*/
@@ -396,7 +392,7 @@ int is_sansa(struct sansa_t* sansa)
          (sansa->pinfo[0].type != 0x0c) &&
          (sansa->pinfo[0].type != 0x0e)) ||
         (sansa->pinfo[1].type != 0x84) ||
-        (sansa->pinfo[2].type != 0x00) || 
+        (sansa->pinfo[2].type != 0x00) ||
         (sansa->pinfo[3].type != 0x00)) {
         /* Bad partition layout, abort */
         return -1;
@@ -617,7 +613,7 @@ static int load_original_firmware(struct sansa_t* sansa, unsigned char* buf, str
 {
     int ppmi_length;
     int n;
-    
+
     /* Read 512 bytes from PPMI_OFFSET - the PPMI header plus the mi4 header */
     if (sansa_seek_and_read(sansa, sansa->start + PPMI_OFFSET, buf, 512) < 0) {
         return -1;
@@ -835,7 +831,7 @@ int sansa_update_of(struct sansa_t* sansa, const char* filename)
     struct mi4header_t mi4header;
     unsigned char buf[512];
 
-    /* Step 1 - check we have an OF on the Sansa to upgrade. We expect the 
+    /* Step 1 - check we have an OF on the Sansa to upgrade. We expect the
        Rockbox bootloader to be installed and the OF to be after it on disk. */
 
     /* Read 512 bytes from PPMI_OFFSET - the PPMI header */
@@ -905,7 +901,7 @@ int sansa_update_of(struct sansa_t* sansa, const char* filename)
         fprintf(stderr,"[ERR]  Short write in sansa_update_of\n");
         return -1;
     }
-    
+
     /* Step 4 - zero out the nvparams section - we have to do this or we end up
        with multiple copies of the nvparams data and don't know which one to
        work with for the database rebuild disabling trick in our bootloader */
@@ -916,7 +912,7 @@ int sansa_update_of(struct sansa_t* sansa, const char* filename)
                        sansa->start+NVPARAMS_OFFSET+0x200);
             return -1;
         }
-        
+
         memset(sansa->sectorbuf,0,NVPARAMS_SIZE);
         n=sansa_write(sansa, NVPARAMS_SIZE);
         if (n < NVPARAMS_SIZE) {
@@ -924,7 +920,7 @@ int sansa_update_of(struct sansa_t* sansa, const char* filename)
             return -1;
         }
     }
-    
+
     return 0;
 }
 
@@ -971,4 +967,3 @@ int sansa_update_ppbl(struct sansa_t* sansa, const char* filename)
 
     return 0;
 }
-