diff --git a/src/HalModule.cpp b/src/HalModule.cpp
index 66b380d..4bd5d31 100644
--- a/src/HalModule.cpp
+++ b/src/HalModule.cpp
@@ -441,92 +441,6 @@ bool HalModule::rtl8812au_hal_init() {
     }
   }
 
-  if (_eepromManager->version_id.ICType == CHIP_8821) {
-    /* Program MAC address to REG_MACID (0x0610). usbmon-trace diff vs
-     * aircrack-ng/88XXau on the same T2U Plus (2357:0120) shows the kernel
-     * writes 6 individual bytes at 0x0610..0x0615 during monitor-mode
-     * bring-up — devourer never writes REG_MACID, leaving it zero. With
-     * REG_MACID unprogrammed the chip's MAC RX engine drops frames from
-     * TX peers whose framing matches certain patterns even with RCR_AAP
-     * set (the kernel-TX-8812 → devourer-RX-8821 cell got 0 hits while
-     * kernel-TX-8812 → kernel-RX-8821 got 258 hits — same chip, same
-     * peer, only difference was this register being programmed).
-     *
-     * Hardcoded to the actual T2U Plus MAC observed in the usbmon trace.
-     * Proper fix: read from EFUSE via Hal_EfuseParseMACAddr_8821A path
-     * (mirrors 8812's GetHwReg path, but devourer doesn't currently
-     * expose the MAC bytes from EepromManager's efuse_eeprom_data shadow
-     * for non-8814 chips). */
-    static const uint8_t k8821Mac[6] = {0xe0, 0xd3, 0x62, 0x97, 0xa9, 0x72};
-    for (uint16_t i = 0; i < 6; ++i) {
-      _device.rtw_write8(0x0610 + i, k8821Mac[i]);
-    }
-
-    /* Trace-derived 8821 post-fwdl writes. Captured from
-     * aircrack-ng/88XXau on the T2U Plus (2357:0120) during monitor-mode
-     * bring-up; the usbmon-diff vs devourer surfaced these. Values are
-     * LITTLE-ENDIAN u32 (usbmon shows wire bytes in transmission order;
-     * to write the same value via rtw_write32 on a LE host, bytes need
-     * to be reversed from the usbmon text):
-     *
-     *   addr   usbmon wire bytes   →  u32 to write
-     *   0x004c 82 82 40 01            0x01408282
-     *   0x004e 40                     0x40 (1 byte)
-     *   0x0040 00                     0x00 (1 byte)
-     *   0x0208 60 f8 00 00            0x0000f860
-     *   0x0520 0f 3f 00 00            0x00003f0f
-     *   0x0670 00 00 00 c0            0xc0000000
-     *   0x0a0a 40                     0x40 (1 byte)
-     *   0x1874 22 2f f8 e6            0xe6f82f22
-     *   0x1878 fe ed f4 5e            0x5ef4edfe
-     *   0x187c..0x187f                22 00 6c 90 (4 individual bytes)
-     */
-    _device.rtw_write32(0x004c, 0x01408282u);
-    _device.rtw_write8(0x004e, 0x40);
-    _device.rtw_write8(0x0040, 0x00);
-    _device.rtw_write32(0x0208, 0x0000f860u);
-    _device.rtw_write32(0x0520, 0x00003f0fu);
-    _device.rtw_write32(0x0670, 0xc0000000u);
-    _device.rtw_write8(0x0a0a, 0x40);
-    _device.rtw_write32(0x1874, 0xe6f82f22u);
-    _device.rtw_write32(0x1878, 0x5ef4edfeu);
-    _device.rtw_write8(0x187c, 0x22);
-    _device.rtw_write8(0x187d, 0x00);
-    _device.rtw_write8(0x187e, 0x6c);
-    _device.rtw_write8(0x187f, 0x90);
-
-    /* BB / AGC value overrides. The 8821 BB table imported in PR #30
-     * (svpcom/rtl8812au v5.2.20) sets initial values that DIFFER from
-     * what aircrack-ng/88XXau's chip ends up with after runtime phydm
-     * AGC adjustments. The trace-vs-devourer value diff shows 92
-     * registers where both write but with different final values; the
-     * cluster at 0x0c20-0x0c44 + 0x0830/0834/8a4/8b0/c50/c54/c90/cb4/e90
-     * are the AGC + power-detect-threshold + BW-indication settings.
-     *
-     * Devourer doesn't run phydm at all (no runtime AGC). Best we can
-     * do without porting phydm is force the chip to the kernel's
-     * post-init values — picks up the AGC tuning kernel does without
-     * needing the dynamic feedback loop. */
-    _device.rtw_write32(0x0830, 0x2aaaf1a8u);  /* PWED_TH (RX power det) */
-    _device.rtw_write32(0x0834, 0x0437a706u);  /* BW indication */
-    _device.rtw_write32(0x08a4, 0x7f7f2028u);
-    _device.rtw_write32(0x08b0, 0x00000042u);
-    _device.rtw_write32(0x0c20, 0x29292929u);  /* AGC table */
-    _device.rtw_write32(0x0c24, 0x1d1d1d1du);
-    _device.rtw_write32(0x0c28, 0x1d1d1d1du);
-    _device.rtw_write32(0x0c2c, 0x1f1f1f1fu);
-    _device.rtw_write32(0x0c30, 0x1f1f1f1fu);
-    _device.rtw_write32(0x0c3c, 0x1f1f1f1fu);
-    _device.rtw_write32(0x0c40, 0x1f1f1f1fu);
-    _device.rtw_write32(0x0c44, 0x2a2a1f1fu);
-    _device.rtw_write32(0x0c50, 0x0000001eu);
-    _device.rtw_write32(0x0c54, 0x00070d15u);
-    _device.rtw_write32(0x0c90, 0x04238508u);
-    _device.rtw_write32(0x0cb4, 0x20000077u);
-    _device.rtw_write32(0x0e90, 0x01800c00u);
-    _logger->info("8821 trace-derived BB/AGC value overrides applied");
-  }
-
   if (is_8814a) {
     /* Trace-derived 8814 post-fwdl init writes. Captured from
      * aircrack-ng/88XXau cold-init → monitor → inject; usbmon diff vs