diff --git a/print.h b/print.h
index b8241f6..c2b76a6 100644
--- a/print.h
+++ b/print.h
@@ -24,13 +24,9 @@
 #ifndef print_h
 #define print_h
 
-void printNewline(void);
 void printString(const char *s);
 void printPgmString(const char *s);
 void printInteger(long n);
-void printHex(unsigned long n);
-void printOctal(unsigned long n);
-void printBinary(unsigned long n);
 void printIntegerInBase(unsigned long n, unsigned long base);
 void printFloat(double n);