diff --git a/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino b/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino
index 3a96488b2..233cad16b 100644
--- a/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino
+++ b/libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.ino
@@ -112,9 +112,9 @@ void setup() {
   lcd.begin(16, 2);
   // Print a message to the lcd.
   lcd.print("I ");
-  lcd.write(0);
+  lcd.write((byte) 0);
   lcd.print(" Arduino! ");
-  lcd.write(1);
+  lcd.write((byte) 1);
 
 }
 
diff --git a/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino b/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino
index 9c3224247..2d27392b8 100644
--- a/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino
+++ b/libraries/WiFi/examples/ConnectNoEncryption/ConnectNoEncryption.ino
@@ -12,6 +12,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";     // the name of your network
diff --git a/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino b/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino
index 70bc50eaa..0f440ed69 100644
--- a/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino
+++ b/libraries/WiFi/examples/ConnectWithWEP/ConnectWithWEP.ino
@@ -22,6 +22,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";                     // your network SSID (name)
diff --git a/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino b/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino
index 06b0e80e5..aa1b42ca9 100644
--- a/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino
+++ b/libraries/WiFi/examples/ConnectWithWPA/ConnectWithWPA.ino
@@ -12,6 +12,7 @@
  modified 31 May 2012
  by Tom Igoe
  */
+#include <SPI.h>
 #include <WiFi.h>
 
 char ssid[] = "yourNetwork";     //  your network SSID (name)