1 files changed, 0 insertions, 5 deletions
diff --git a/x86.h b/x86.h
index 7bc677f..0063826 100644
--- a/x86.h
+++ b/x86.h
@@ -352,11 +352,6 @@ struct Trapframe {
 
 #define MAX_IRQS	16	// Number of IRQs
 
-// I/O Addresses of the two 8259A programmable interrupt controllers
-#define IO_PIC1		0x20	// Master (IRQs 0-7)
-#define IO_PIC2	        0xA0	// Slave (IRQs 8-15)
-
-#define IRQ_SLAVE       2	// IRQ at which slave connects to master
 #define IRQ_OFFSET      32	// IRQ 0 corresponds to int IRQ_OFFSET
 
 #define IRQ_ERROR       19