diff --git a/CMakeLists.txt b/CMakeLists.txt
index 95319e27c6a..e5798a446b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,9 +191,6 @@ if (FA3_ENABLED AND ${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.0)
         "hopper/instantiations/flash_fwd_hdim64_512_bf16*_sm90.cu"
         "hopper/instantiations/flash_fwd_hdim192_128_bf16*_sm90.cu")
     list(APPEND FA3_BF16_GEN_SRCS ${FA3_BF16_GEN_SRCS_})
-    file(GLOB FA3_BF16_GEN_SRCS_
-        "hopper/instantiations/flash_fwd_*_bf16_*_sm80.cu")
-    list(APPEND FA3_BF16_GEN_SRCS ${FA3_BF16_GEN_SRCS_})
     
     # FP16 source files
     file(GLOB FA3_FP16_GEN_SRCS
@@ -208,9 +205,6 @@ if (FA3_ENABLED AND ${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.0)
         "hopper/instantiations/flash_fwd_hdim64_512_fp16*_sm90.cu"
         "hopper/instantiations/flash_fwd_hdim192_128_fp16*_sm90.cu")
     list(APPEND FA3_FP16_GEN_SRCS ${FA3_FP16_GEN_SRCS_})
-    file(GLOB FA3_FP16_GEN_SRCS_
-        "hopper/instantiations/flash_fwd_*_fp16_*_sm80.cu")
-    list(APPEND FA3_FP16_GEN_SRCS ${FA3_FP16_GEN_SRCS_})
 
     # FP8 source files
     file(GLOB FA3_FP8_GEN_SRCS
@@ -229,7 +223,7 @@ if (FA3_ENABLED AND ${CMAKE_CUDA_COMPILER_VERSION} GREATER_EQUAL 12.0)
     # For CUDA we set the architectures on a per file basis
     # FaV3 is not yet supported in Blackwell
     if (VLLM_GPU_LANG STREQUAL "CUDA")
-        cuda_archs_loose_intersection(FA3_ARCHS "8.0;9.0a;" "${CUDA_ARCHS}")
+        cuda_archs_loose_intersection(FA3_ARCHS "9.0a;" "${CUDA_ARCHS}")
         message(STATUS "FA3_ARCHS: ${FA3_ARCHS}")
 
         set_gencode_flags_for_srcs(
diff --git a/vllm_flash_attn/flash_attn_interface.py b/vllm_flash_attn/flash_attn_interface.py
index 3d3aca79f0d..96f9335841d 100644
--- a/vllm_flash_attn/flash_attn_interface.py
+++ b/vllm_flash_attn/flash_attn_interface.py
@@ -48,13 +48,10 @@ def _is_fa2_supported(device = None) -> Tuple[bool, Optional[str]]:
 def _is_fa3_supported(device = None) -> Tuple[bool, Optional[str]]:
     if not FA3_AVAILABLE:
         return False, f"FA3 is unavaible due to: {FA3_UNAVAILABLE_REASON}"
-    if torch.cuda.get_device_capability(device)[0] < 8 \
-        or torch.cuda.get_device_capability(device)[0] >= 10 \
-        or torch.cuda.get_device_capability(device) == (8, 6) \
-        or torch.cuda.get_device_capability(device) == (8, 9):
+    if torch.cuda.get_device_capability(device)[0] < 9 \
+        or torch.cuda.get_device_capability(device)[0] >= 10:
         return False, \
-            "FA3 is only supported on devices with compute capability >= 8" \
-            " excluding 8.6 and 8.9 and Blackwell archs (>=10)"
+            "FA3 is only supported on devices with compute capability 9.0"
     return True, None
 
 def _is_fa4_supported(device = None) -> Tuple[bool, Optional[str]]: