diff --git a/include/luisa/xir/instructions/intrinsic.h b/include/luisa/xir/instructions/intrinsic.h
index cb0890354..2dfdf0f56 100644
--- a/include/luisa/xir/instructions/intrinsic.h
+++ b/include/luisa/xir/instructions/intrinsic.h
@@ -208,8 +208,6 @@ enum struct IntrinsicOp {
     BINDLESS_BUFFER_READ, // (bindless_array, index: uint, elem_index: uint) -> T
     BINDLESS_BUFFER_WRITE,// (bindless_array, index: uint, elem_index: uint, value: T) -> void
     BINDLESS_BUFFER_SIZE, // (bindless_array, index: uint, stride: uint) -> size: uint64
-    BINDLESS_BUFFER_TYPE, // (bindless_array, index: uint) -> uint64 (type id of the element); the returned value
-                          // could be compared with the value of a TypeIDExpr to examine the type of the buffer
 
     BINDLESS_BYTE_BUFFER_READ, // (bindless_array, index: uint, offset_bytes: uint64) -> T
     BINDLESS_BYTE_BUFFER_WRITE,// (bindless_array, index: uint, offset_bytes: uint64, value: T) -> void
diff --git a/src/backends/fallback/fallback_builtin/fallback_device_api_wrappers.cpp b/src/backends/fallback/fallback_builtin/fallback_device_api_wrappers.cpp
index 4c7110402..69f4c3fa1 100644
--- a/src/backends/fallback/fallback_builtin/fallback_device_api_wrappers.cpp
+++ b/src/backends/fallback/fallback_builtin/fallback_device_api_wrappers.cpp
@@ -276,7 +276,6 @@ LUISA_FALLBACK_WRAPPER void luisa_fallback_wrapper_texture3d_size(const TextureV
     auto texture = bindless_handle->slots[slot_index].tex3d; \
     auto sampler = bindless_handle->slots[slot_index]._compressed_buffer_size_sampler_2d_sampler_3d & 0x0fu;
 
-
 LUISA_FALLBACK_WRAPPER void luisa_fallback_wrapper_bindless_texture2d_sample(const BindlessArrayView *handle, uint slot_index, const float2 *uv, float4 *out) noexcept {
     LUISA_FALLBACK_BINDLESS_DECODE_TEXTURE2D(handle, slot_index)
     *out = luisa_fallback_bindless_texture2d_sample(texture, sampler, uv->x, uv->y);
diff --git a/src/backends/fallback/fallback_codegen.cpp b/src/backends/fallback/fallback_codegen.cpp
index 207e02a1c..b236a4c05 100644
--- a/src/backends/fallback/fallback_codegen.cpp
+++ b/src/backends/fallback/fallback_codegen.cpp
@@ -2512,7 +2512,6 @@ class FallbackCodegen {
             case xir::IntrinsicOp::BINDLESS_BUFFER_READ: return _translate_bindless_buffer_read(current, b, inst);
             case xir::IntrinsicOp::BINDLESS_BUFFER_WRITE: return _translate_bindless_buffer_write(current, b, inst);
             case xir::IntrinsicOp::BINDLESS_BUFFER_SIZE: return _translate_bindless_buffer_size(current, b, inst);
-            case xir::IntrinsicOp::BINDLESS_BUFFER_TYPE: break;
             case xir::IntrinsicOp::BINDLESS_BYTE_BUFFER_READ: return _translate_bindless_buffer_read(current, b, inst, true);
             case xir::IntrinsicOp::BINDLESS_BYTE_BUFFER_WRITE: return _translate_bindless_buffer_write(current, b, inst, true);
             case xir::IntrinsicOp::BINDLESS_BYTE_BUFFER_SIZE: return _translate_bindless_buffer_size(current, b, inst, true);
diff --git a/src/xir/instructions/intrinsic_name_map.inl.h b/src/xir/instructions/intrinsic_name_map.inl.h
index 376bf5096..e2b417e14 100644
--- a/src/xir/instructions/intrinsic_name_map.inl.h
+++ b/src/xir/instructions/intrinsic_name_map.inl.h
@@ -162,7 +162,6 @@ luisa::string to_string(IntrinsicOp op) noexcept {
         case IntrinsicOp::BINDLESS_BUFFER_READ: return "bindless_buffer_read";
         case IntrinsicOp::BINDLESS_BUFFER_WRITE: return "bindless_buffer_write";
         case IntrinsicOp::BINDLESS_BUFFER_SIZE: return "bindless_buffer_size";
-        case IntrinsicOp::BINDLESS_BUFFER_TYPE: return "bindless_buffer_type";
         case IntrinsicOp::BINDLESS_BYTE_BUFFER_READ: return "bindless_byte_buffer_read";
         case IntrinsicOp::BINDLESS_BYTE_BUFFER_WRITE: return "bindless_byte_buffer_write";
         case IntrinsicOp::BINDLESS_BYTE_BUFFER_SIZE: return "bindless_byte_buffer_size";
@@ -401,7 +400,6 @@ IntrinsicOp intrinsic_op_from_string(luisa::string_view name) noexcept {
         {"bindless_buffer_read", IntrinsicOp::BINDLESS_BUFFER_READ},
         {"bindless_buffer_write", IntrinsicOp::BINDLESS_BUFFER_WRITE},
         {"bindless_buffer_size", IntrinsicOp::BINDLESS_BUFFER_SIZE},
-        {"bindless_buffer_type", IntrinsicOp::BINDLESS_BUFFER_TYPE},
         {"bindless_byte_buffer_read", IntrinsicOp::BINDLESS_BYTE_BUFFER_READ},
         {"bindless_byte_buffer_write", IntrinsicOp::BINDLESS_BYTE_BUFFER_WRITE},
         {"bindless_byte_buffer_size", IntrinsicOp::BINDLESS_BYTE_BUFFER_SIZE},
diff --git a/src/xir/translators/ast2xir.cpp b/src/xir/translators/ast2xir.cpp
index 33160909e..e0cb440ee 100644
--- a/src/xir/translators/ast2xir.cpp
+++ b/src/xir/translators/ast2xir.cpp
@@ -575,7 +575,7 @@ class AST2XIRContext {
             case CallOp::BINDLESS_BUFFER_WRITE: return resource_call(IntrinsicOp::BINDLESS_BUFFER_WRITE);
             case CallOp::BINDLESS_BYTE_BUFFER_READ: return resource_call(IntrinsicOp::BINDLESS_BYTE_BUFFER_READ);
             case CallOp::BINDLESS_BUFFER_SIZE: return resource_call(IntrinsicOp::BINDLESS_BUFFER_SIZE);
-            case CallOp::BINDLESS_BUFFER_TYPE: return resource_call(IntrinsicOp::BINDLESS_BUFFER_TYPE);
+            case CallOp::BINDLESS_BUFFER_TYPE: LUISA_ERROR_WITH_LOCATION("Removed bindless_buffer_type operation.");
             case CallOp::BINDLESS_BUFFER_ADDRESS: return resource_call(IntrinsicOp::BINDLESS_BUFFER_DEVICE_ADDRESS);
             case CallOp::MAKE_BOOL2: return make_vector_call(Type::of<bool>(), 2);
             case CallOp::MAKE_BOOL3: return make_vector_call(Type::of<bool>(), 3);