diff --git a/parallel.c b/parallel.c
deleted file mode 100644
index d0c7c6f..0000000
--- a/parallel.c
+++ /dev/null
@@ -1,130 +0,0 @@
-#include "parallel.h"
-#include "io.h"
-#include "irq.h"
-#include "serial.h"   // or your print/terminal for debug
-
-// Standard PC LPT base addresses
-static const uint16_t lpt_base_addrs[LPT_MAX_PORTS] = {
-    0x378, // LPT1
-    0x278  // LPT2
-};
-
-lpt_device_t lpt_devices[LPT_MAX_PORTS];
-
-// Register offsets
-#define LPT_DATA(base)      (base + 0)
-#define LPT_STATUS(base)    (base + 1)
-#define LPT_CONTROL(base)   (base + 2)
-
-// STATUS bits
-// bit 7: Busy (inverted), 6: Ack, 5: Paper Out, 4: Select, 3: Error
-// CONTROL bits
-// bit 0: Strobe, 1: Auto Linefeed, 2: Init, 3: Select In, 5: Bidirectional (PS/2)
-
-// Simple presence check: write/read control & status
-static bool lpt_detect(uint16_t base) {
-    uint8_t orig_ctrl = inb(LPT_CONTROL(base));
-    outb(LPT_CONTROL(base), orig_ctrl ^ 0x0F);
-    uint8_t new_ctrl = inb(LPT_CONTROL(base));
-    outb(LPT_CONTROL(base), orig_ctrl);
-
-    // If bits changed as expected, port likely exists
-    if (((orig_ctrl ^ new_ctrl) & 0x0F) == 0x0F) {
-        return true;
-    }
-    return false;
-}
-
-static void lpt_configure_bidir(uint16_t base, bool enable) {
-    uint8_t ctrl = inb(LPT_CONTROL(base));
-    if (enable) {
-        ctrl |= (1 << 5);   // Set bidirectional bit (PS/2)
-    } else {
-        ctrl &= ~(1 << 5);
-    }
-    outb(LPT_CONTROL(base), ctrl);
-}
-
-void lpt_set_mode(lpt_port_t port, lpt_mode_t mode) {
-    if (port < 0 || port >= LPT_MAX_PORTS) return;
-    if (!lpt_devices[port].present) return;
-
-    uint16_t base = lpt_devices[port].base;
-
-    switch (mode) {
-        case LPT_MODE_COMPAT:
-            lpt_configure_bidir(base, false);
-            break;
-        case LPT_MODE_BIDIR:
-            lpt_configure_bidir(base, true);
-            break;
-        case LPT_MODE_EPP:
-            // TODO: EPP requires chipset support & config
-            // For now, just enable bidir as a baseline
-            lpt_configure_bidir(base, true);
-            break;
-        case LPT_MODE_ECP:
-            // TODO: ECP requires FIFO, DMA, and ECR register
-            // Stub for future implementation
-            lpt_configure_bidir(base, true);
-            break;
-    }
-
-    lpt_devices[port].mode = mode;
-}
-
-void lpt_write_byte(lpt_port_t port, uint8_t value) {
-    if (port < 0 || port >= LPT_MAX_PORTS) return;
-    if (!lpt_devices[port].present) return;
-
-    uint16_t base = lpt_devices[port].base;
-
-    // Wait until not busy (bit 7 is inverted busy)
-    while (!(inb(LPT_STATUS(base)) & 0x80))
-        ;
-
-    outb(LPT_DATA(base), value);
-
-    // Pulse strobe
-    uint8_t ctrl = inb(LPT_CONTROL(base));
-    outb(LPT_CONTROL(base), ctrl | 0x01);
-    outb(LPT_CONTROL(base), ctrl & ~0x01);
-}
-
-uint8_t lpt_read_byte(lpt_port_t port) {
-    if (port < 0 || port >= LPT_MAX_PORTS) return 0xFF;
-    if (!lpt_devices[port].present) return 0xFF;
-
-    uint16_t base = lpt_devices[port].base;
-
-    // In bidirectional mode, data register is input
-    return inb(LPT_DATA(base));
-}
-
-// IRQ hook: you wire this into your IRQ handler for the LPT IRQ (usually 7 or 5)
-void lpt_irq_handler(lpt_port_t port) {
-    // For now, just a stub. Later:
-    // - read status
-    // - acknowledge interrupt
-    // - wake waiting writer/reader
-    (void)port;
-}
-
-// Initialize all LPT ports
-void lpt_init_all(void) {
-    for (int i = 0; i < LPT_MAX_PORTS; i++) {
-        lpt_devices[i].base = lpt_base_addrs[i];
-        lpt_devices[i].present = lpt_detect(lpt_devices[i].base);
-        lpt_devices[i].mode = LPT_MODE_COMPAT;
-        lpt_devices[i].irq = 0; // You can fill this if you parse BIOS/PCI/ACPI
-
-        if (lpt_devices[i].present) {
-            serial_write("LPT detected at base 0x");
-            // use your print_hex here if you want
-        }
-    }
-
-    // If you want interrupt-driven I/O:
-    // - Map LPT IRQ (usually 7 for LPT1, 5 for LPT2) in your PIC/IRQ layer
-    // - In your IRQ handler, call lpt_irq_handler(port)
-}