diff --git a/dglgo/dglgo/utils/optimizer_config.py b/dglgo/dglgo/utils/optimizer_config.py deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/examples/mxnet/util.py b/examples/mxnet/util.py deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/graphbolt/include/graphbolt/compact.h b/graphbolt/include/graphbolt/compact.h deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/graphbolt/include/graphbolt/neighbor.h b/graphbolt/include/graphbolt/neighbor.h deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/graphbolt/src/compact.cc b/graphbolt/src/compact.cc deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/graphbolt/src/neighbor.cc b/graphbolt/src/neighbor.cc deleted file mode 100644 index e69de29bb2..0000000000