diff --git a/vta/tests/ci_build/Dockerfile.cpu b/vta/tests/ci_build/Dockerfile.cpu
index 5c7e526f4879c0c4136dbb06a4151ae5dc0eb644..43bc7e4027bf5063f628312d1064e6e7bd01dfab 100644
--- a/vta/tests/ci_build/Dockerfile.cpu
+++ b/vta/tests/ci_build/Dockerfile.cpu
@@ -9,22 +9,12 @@ RUN bash /install/ubuntu_install_core.sh
 COPY install/ubuntu_install_python.sh /install/ubuntu_install_python.sh
 RUN bash /install/ubuntu_install_python.sh
 
-COPY install/ubuntu_install_iverilog.sh /install/ubuntu_install_iverilog.sh
-RUN bash /install/ubuntu_install_iverilog.sh
-
 COPY install/ubuntu_install_python_package.sh /install/ubuntu_install_python_package.sh
 RUN bash /install/ubuntu_install_python_package.sh
 
-COPY install/ubuntu_install_java.sh /install/ubuntu_install_java.sh
-RUN bash /install/ubuntu_install_java.sh
-
 COPY install/ubuntu_install_llvm.sh /install/ubuntu_install_llvm.sh
 RUN bash /install/ubuntu_install_llvm.sh
 
-COPY install/ubuntu_install_opengl.sh /install/ubuntu_install_opengl.sh
-RUN bash /install/ubuntu_install_opengl.sh
-
-
 COPY install/ubuntu_install_sphinx.sh /install/ubuntu_install_sphinx.sh
 RUN bash /install/ubuntu_install_sphinx.sh
 
diff --git a/vta/tests/ci_build/install/ubuntu_install_iverilog.sh b/vta/tests/ci_build/install/ubuntu_install_iverilog.sh
deleted file mode 100644
index bf7a0001dc70447129e3587ca415c6e463ad2188..0000000000000000000000000000000000000000
--- a/vta/tests/ci_build/install/ubuntu_install_iverilog.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-apt-get install -y --no-install-recommends --force-yes make bison flex
-wget ftp://icarus.com/pub/eda/verilog/v10/verilog-10.1.tar.gz
-tar xf verilog-10.1.tar.gz
-cd verilog-10.1
-./configure --prefix=/usr
-make install -j8
-cd ..
-rm -rf verilog-10.1 verilog-10.1.tar.gz
diff --git a/vta/tests/ci_build/install/ubuntu_install_java.sh b/vta/tests/ci_build/install/ubuntu_install_java.sh
deleted file mode 100644
index ba07b2985efb9352246395c9db71cd53e3e54e4f..0000000000000000000000000000000000000000
--- a/vta/tests/ci_build/install/ubuntu_install_java.sh
+++ /dev/null
@@ -1 +0,0 @@
-apt-get update && apt-get install -y openjdk-8-jdk maven
diff --git a/vta/tests/ci_build/install/ubuntu_install_opengl.sh b/vta/tests/ci_build/install/ubuntu_install_opengl.sh
deleted file mode 100644
index f8be6e3515814969478e68df8651d93aa45efe36..0000000000000000000000000000000000000000
--- a/vta/tests/ci_build/install/ubuntu_install_opengl.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-apt-get update --fix-missing
-
-apt-get install -y --no-install-recommends --force-yes \
-        libgl1-mesa-dev libglfw3-dev
\ No newline at end of file
diff --git a/vta/tests/python/integration/test_benchmark_topi_conv2d.py b/vta/tests/python/integration/test_benchmark_topi_conv2d.py
index b70fc9cfbf8535fa3fea684a46318d6d1276b59d..24d9968dc31a41fc246e4c22d92a1b996306643d 100644
--- a/vta/tests/python/integration/test_benchmark_topi_conv2d.py
+++ b/vta/tests/python/integration/test_benchmark_topi_conv2d.py
@@ -38,7 +38,7 @@ def test_vta_conv2d():
         res_conv = vta.top.packed_conv2d(
             data, kernel, padding=(wl.hpad, wl.wpad), strides=(wl.hstride, wl.wstride))
         res = topi.right_shift(res_conv, 8)
-        res = topi.broadcast_add(res, bias)
+        res = topi.add(res, bias)
         res = my_clip(res, 0, 127)
         res = topi.cast(res, "int8")