diff --git a/clean.sh b/clean.sh
deleted file mode 100644
index c666bdf9..00000000
--- a/clean.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/env bash
-rm -rf build/ dist/ torch_encoding.egg-info/ encoding/lib/ encoding/_ext/ __pycache__ encoding/__pycache__
diff --git a/encoding/lib/cpu/.ninja_deps b/encoding/lib/cpu/.ninja_deps
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diff --git a/encoding/lib/cpu/.ninja_log b/encoding/lib/cpu/.ninja_log
deleted file mode 100644
index 35b83dc8..00000000
--- a/encoding/lib/cpu/.ninja_log
+++ /dev/null
@@ -1,4 +0,0 @@
-# ninja log v5
-1	1662	1531167904	encoding_cpu.o	6992bc0e0fec6bba
-1	1662	1531167904	syncbn_cpu.o	f23a0b2f19307f1b
-0	2948	1531167905	operator.o	44f004abdc4bd
diff --git a/encoding/lib/cpu/build.ninja b/encoding/lib/cpu/build.ninja
deleted file mode 100644
index 8b6c33a7..00000000
--- a/encoding/lib/cpu/build.ninja
+++ /dev/null
@@ -1,24 +0,0 @@
-ninja_required_version = 1.3
-cxx = c++
-
-cflags = -DTORCH_EXTENSION_NAME=enclib_cpu -I/anaconda3/lib/python3.6/site-packages/torch/lib/include -I/anaconda3/lib/python3.6/site-packages/torch/lib/include/TH -I/anaconda3/lib/python3.6/site-packages/torch/lib/include/THC -I/anaconda3/include/python3.6m -fPIC -std=c++11
-ldflags = -shared -undefined dynamic_lookup
-
-rule compile
-  command = $cxx -MMD -MF $out.d $cflags -c $in -o $out
-  depfile = $out.d
-  deps = gcc
-
-rule link
-  command = $cxx $ldflags $in -o $out
-
-build operator.o: compile /Users/hzaws/git/PyTorch-Encoding-Layer-/encoding/lib/cpu/operator.cpp
-build encoding_cpu.o: compile /Users/hzaws/git/PyTorch-Encoding-Layer-/encoding/lib/cpu/encoding_cpu.cpp
-build syncbn_cpu.o: compile /Users/hzaws/git/PyTorch-Encoding-Layer-/encoding/lib/cpu/syncbn_cpu.cpp
-build roi_align_cpu.o: compile /Users/hzaws/git/PyTorch-Encoding-Layer-/encoding/lib/cpu/roi_align_cpu.cpp
-build nms_cpu.o: compile /Users/hzaws/git/PyTorch-Encoding-Layer-/encoding/lib/cpu/nms_cpu.cpp
-
-build enclib_cpu.so: link operator.o encoding_cpu.o syncbn_cpu.o roi_align_cpu.o nms_cpu.o
-
-default enclib_cpu.so
-
diff --git a/encoding/lib/cpu/encoding_cpu.o b/encoding/lib/cpu/encoding_cpu.o
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diff --git a/encoding/lib/cpu/operator.o b/encoding/lib/cpu/operator.o
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diff --git a/encoding/lib/cpu/syncbn_cpu.o b/encoding/lib/cpu/syncbn_cpu.o
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