diff --git a/examples/mifare-classic-format.c b/examples/mifare-classic-format.c
index b6d2c06..ed0dbb6 100644
--- a/examples/mifare-classic-format.c
+++ b/examples/mifare-classic-format.c
@@ -161,7 +161,7 @@ main(int argc, char *argv[])
 	}
     }
     // Remaining args, if any, are in argv[optind .. (argc-1)]
-    
+
     memcpy(default_keys, default_keys_int, sizeof(default_keys_int));
 
     if ((argc - optind) > 0)
diff --git a/examples/mifare-classic-read-ndef.c b/examples/mifare-classic-read-ndef.c
index 3c6d899..17388b8 100644
--- a/examples/mifare-classic-read-ndef.c
+++ b/examples/mifare-classic-read-ndef.c
@@ -239,7 +239,7 @@ error:
 	freefare_free_tags (tags);
 	nfc_close (device);
     }
-  
+
     nfc_exit (context);
     exit (error);
 }
diff --git a/examples/mifare-classic-write-ndef.c b/examples/mifare-classic-write-ndef.c
index 76bc308..5482a94 100644
--- a/examples/mifare-classic-write-ndef.c
+++ b/examples/mifare-classic-write-ndef.c
@@ -203,7 +203,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
diff --git a/examples/mifare-desfire-create-ndef.c b/examples/mifare-desfire-create-ndef.c
index 1401cb8..f1f00cd 100644
--- a/examples/mifare-desfire-create-ndef.c
+++ b/examples/mifare-desfire-create-ndef.c
@@ -105,7 +105,7 @@ main(int argc, char *argv[])
 
     for (size_t d = 0; d < device_count; d++) {
         device = nfc_open (context, devices[d]);
-        
+
         if (!device) {
             warnx ("nfc_open() failed.");
             error = EXIT_FAILURE;
diff --git a/examples/mifare-desfire-ev1-configure-default-key.c b/examples/mifare-desfire-ev1-configure-default-key.c
index 79df745..134a913 100644
--- a/examples/mifare-desfire-ev1-configure-default-key.c
+++ b/examples/mifare-desfire-ev1-configure-default-key.c
@@ -72,7 +72,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
diff --git a/examples/mifare-desfire-ev1-configure-random-uid.c b/examples/mifare-desfire-ev1-configure-random-uid.c
index 847233e..d6a0045 100644
--- a/examples/mifare-desfire-ev1-configure-random-uid.c
+++ b/examples/mifare-desfire-ev1-configure-random-uid.c
@@ -82,7 +82,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
diff --git a/examples/mifare-desfire-format.c b/examples/mifare-desfire-format.c
index 6ba0c5b..9996930 100644
--- a/examples/mifare-desfire-format.c
+++ b/examples/mifare-desfire-format.c
@@ -82,7 +82,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
diff --git a/examples/mifare-desfire-info.c b/examples/mifare-desfire-info.c
index dedce56..9f55eaa 100644
--- a/examples/mifare-desfire-info.c
+++ b/examples/mifare-desfire-info.c
@@ -36,7 +36,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
diff --git a/examples/mifare-desfire-read-ndef.c b/examples/mifare-desfire-read-ndef.c
index 0771adc..687e230 100644
--- a/examples/mifare-desfire-read-ndef.c
+++ b/examples/mifare-desfire-read-ndef.c
@@ -121,7 +121,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
@@ -133,7 +133,7 @@ main(int argc, char *argv[])
 
     for (size_t d = 0; d < device_count; d++) {
         device = nfc_open (context, devices[d]);
-        
+
         if (!device) {
             warnx ("nfc_open() failed.");
             error = EXIT_FAILURE;
diff --git a/examples/mifare-desfire-write-ndef.c b/examples/mifare-desfire-write-ndef.c
index abe2df4..1b36af4 100644
--- a/examples/mifare-desfire-write-ndef.c
+++ b/examples/mifare-desfire-write-ndef.c
@@ -150,7 +150,7 @@ main(int argc, char *argv[])
 
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_context *context;
     nfc_init (&context);
     if (context == NULL)
@@ -162,7 +162,7 @@ main(int argc, char *argv[])
 
     for (size_t d = 0; d < device_count; d++) {
         device = nfc_open (context, devices[d]);
-        
+
         if (!device) {
             warnx ("nfc_open() failed.");
             error = EXIT_FAILURE;
diff --git a/libfreefare/freefare_internal.h b/libfreefare/freefare_internal.h
index 3ddf3c9..5ad81e1 100644
--- a/libfreefare/freefare_internal.h
+++ b/libfreefare/freefare_internal.h
@@ -269,7 +269,7 @@ struct mifare_ultralight_tag {
 #define ASSERT_MIFARE_ULTRALIGHT_C(tag) do { if (! IS_MIFARE_ULTRALIGHT_C(tag)) return errno = ENODEV, -1; } while (0)
 
 /* 
- * FreefareTag cast macros 
+ * FreefareTag cast macros
  *
  * This macros are intended to provide a convenient way to cast abstract
  * FreefareTag structures to concrete Tags (e.g. MIFARE Classic tag).
diff --git a/test/mifare_classic_fixture.c b/test/mifare_classic_fixture.c
index 51ed076..c02238f 100644
--- a/test/mifare_classic_fixture.c
+++ b/test/mifare_classic_fixture.c
@@ -32,7 +32,7 @@ cut_setup (void)
     int res;
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_init (&context);
     cut_assert_not_null (context, cut_message ("Unable to init libnfc (malloc)"));
 
@@ -42,7 +42,7 @@ cut_setup (void)
 
     for (size_t i = 0; i < device_count; i++) {
         device = nfc_open (context, devices[i]);
-        if (!device) 
+        if (!device)
             cut_omit ("nfc_open() failed.");
 
         tags = freefare_get_tags (device);
@@ -79,7 +79,7 @@ cut_teardown (void)
 
     if (device)
         nfc_close (device);
-  
+
     nfc_exit (context);
 }
 
diff --git a/test/mifare_desfire_ev1_fixture.c b/test/mifare_desfire_ev1_fixture.c
index 9152afb..6a96afe 100644
--- a/test/mifare_desfire_ev1_fixture.c
+++ b/test/mifare_desfire_ev1_fixture.c
@@ -32,7 +32,7 @@ cut_setup (void)
     int res;
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_init (&context);
     cut_assert_not_null (context, cut_message ("Unable to init libnfc (malloc)"));
 
@@ -43,7 +43,7 @@ cut_setup (void)
     for (size_t i = 0; i < device_count; i++) {
 
         device = nfc_open (context, devices[i]);
-        if (!device) 
+        if (!device)
             cut_omit ("nfc_open() failed.");
 
         tags = freefare_get_tags (device);
@@ -91,9 +91,9 @@ cut_teardown (void)
         tags = NULL;
     }
 
-    if (device) 
+    if (device)
         nfc_close (device);
-  
+
     nfc_exit (context);
 }
 
diff --git a/test/mifare_desfire_fixture.c b/test/mifare_desfire_fixture.c
index cdd46da..356ef3e 100644
--- a/test/mifare_desfire_fixture.c
+++ b/test/mifare_desfire_fixture.c
@@ -32,7 +32,7 @@ cut_setup (void)
   int res;
   nfc_connstring devices[8];
   size_t device_count;
-  
+
   nfc_init (&context);
   cut_assert_not_null (context, cut_message ("Unable to init libnfc (malloc)"));
 
@@ -43,7 +43,7 @@ cut_setup (void)
   for (size_t i = 0; i < device_count; i++) {
 
     device = nfc_open (context, devices[i]);
-    if (!device) 
+    if (!device)
       cut_omit ("nfc_open() failed.");
 
     tags = freefare_get_tags (device);
@@ -88,7 +88,7 @@ cut_teardown (void)
 
   if (device)
       nfc_close (device);
-  
+
   nfc_exit (context);
 }
 
diff --git a/test/mifare_ultralight_fixture.c b/test/mifare_ultralight_fixture.c
index 2f8567b..025417e 100644
--- a/test/mifare_ultralight_fixture.c
+++ b/test/mifare_ultralight_fixture.c
@@ -32,7 +32,7 @@ cut_setup (void)
     int res;
     nfc_connstring devices[8];
     size_t device_count;
-    
+
     nfc_init (&context);
     cut_assert_not_null (context, cut_message ("Unable to init libnfc (malloc)"));
 
@@ -43,7 +43,7 @@ cut_setup (void)
     for (size_t i = 0; i < device_count; i++) {
 
         device = nfc_open (context, devices[i]);
-        if (!device) 
+        if (!device)
             cut_omit ("nfc_open() failed.");
 
         tags = freefare_get_tags (device);
@@ -81,7 +81,7 @@ cut_teardown (void)
 
     if (device)
         nfc_close (device);
-  
+
     nfc_exit (context);
 }