diff --git a/float_models/CMakeLists.txt b/float_models/CMakeLists.txt
index 21253fd..f8d5b66 100644
--- a/float_models/CMakeLists.txt
+++ b/float_models/CMakeLists.txt
@@ -18,8 +18,6 @@
     "float_models_mobilenet_v1"
   FLAGS
     "-iree-input-type=tosa"
-    "-riscv-v-vector-bits-min=512"
-    "-riscv-v-fixed-length-vector-lmul-max=8"
   RVV_OFF
 )
 
@@ -32,8 +30,6 @@
     "float_models_mnist"
   FLAGS
     "-iree-input-type=mhlo"
-    "-riscv-v-vector-bits-min=512"
-    "-riscv-v-fixed-length-vector-lmul-max=8"
   RVV_OFF
 )
 
diff --git a/quant_models/CMakeLists.txt b/quant_models/CMakeLists.txt
index aacbdf5..88e9b3c 100644
--- a/quant_models/CMakeLists.txt
+++ b/quant_models/CMakeLists.txt
@@ -30,7 +30,6 @@
     "quant_models_mobilenet_v1"
   FLAGS
     "-iree-input-type=tosa"
-    "-riscv-v-vector-bits-min=512"
     "-riscv-v-fixed-length-vector-lmul-max=8"
 )
 
@@ -43,7 +42,6 @@
     "quant_models_mobilenet_v2"
   FLAGS
     "-iree-input-type=tosa"
-    "-riscv-v-vector-bits-min=512"
     "-riscv-v-fixed-length-vector-lmul-max=8"
 )
 
@@ -56,7 +54,6 @@
     "quant_models_person_detection"
   FLAGS
     "-iree-input-type=tosa"
-    "-riscv-v-vector-bits-min=512"
     "-riscv-v-fixed-length-vector-lmul-max=8"
   VMVX
 )