diff --git a/src/freedreno/vulkan/tu_device.c b/src/freedreno/vulkan/tu_device.c
index 91e1a846daf..ea1ee8ee8aa 100644
--- a/src/freedreno/vulkan/tu_device.c
+++ b/src/freedreno/vulkan/tu_device.c
@@ -265,7 +265,6 @@ tu_physical_device_init(struct tu_physical_device *device,
 
    switch (device->gpu_id) {
    case 618:
-      device->magic.RB_UNKNOWN_8E04_blit = 0x00100000;
       device->ccu_offset_gmem = 0x7c000; /* 0x7e000 in some cases? */
       device->ccu_offset_bypass = 0x10000;
       device->magic.PC_UNKNOWN_9805 = 0x0;
@@ -273,7 +272,6 @@ tu_physical_device_init(struct tu_physical_device *device,
       break;
    case 630:
    case 640:
-      device->magic.RB_UNKNOWN_8E04_blit = 0x01000000;
       device->ccu_offset_gmem = 0xf8000;
       device->ccu_offset_bypass = 0x20000;
       device->magic.PC_UNKNOWN_9805 = 0x1;
diff --git a/src/freedreno/vulkan/tu_private.h b/src/freedreno/vulkan/tu_private.h
index dfd9d5101b5..062bcf98786 100644
--- a/src/freedreno/vulkan/tu_private.h
+++ b/src/freedreno/vulkan/tu_private.h
@@ -328,7 +328,6 @@ struct tu_physical_device
 #define GMEM_ALIGN_H 4
 
    struct {
-      uint32_t RB_UNKNOWN_8E04_blit;    /* for CP_BLIT's */
       uint32_t PC_UNKNOWN_9805;
       uint32_t SP_UNKNOWN_A0F8;
    } magic;