diff --git a/dvc/__init__.py b/dvc/__init__.py
index 8d8b10b511..583a8463d2 100644
--- a/dvc/__init__.py
+++ b/dvc/__init__.py
@@ -3,17 +3,8 @@
 ----
 Make your data science projects reproducible and shareable.
 """
-import warnings
-
 import dvc.logger
 from dvc.version import __version__  # noqa: F401
 
 
 dvc.logger.setup()
-
-# Ignore numpy's runtime warnings: https://github.com/numpy/numpy/pull/432.
-# We don't directly import numpy, but our dependency networkx does, causing
-# these warnings in some environments. Luckily these warnings are benign and
-# we can simply ignore them so that they don't show up when you are using dvc.
-warnings.filterwarnings("ignore", message="numpy.dtype size changed")
-warnings.filterwarnings("ignore", message="numpy.ufunc size changed")
diff --git a/dvc/logger.py b/dvc/logger.py
index 23f65c0616..dafe5f7ee6 100644
--- a/dvc/logger.py
+++ b/dvc/logger.py
@@ -143,6 +143,7 @@ def _stack_trace(exc_info):
 
 
 def disable_other_loggers():
+    logging.captureWarnings(True)
     root = logging.root
     for (logger_name, logger) in root.manager.loggerDict.items():
         if logger_name != "dvc" and not logger_name.startswith("dvc."):
diff --git a/dvc/main.py b/dvc/main.py
index 9caaedd290..91b2a33585 100644
--- a/dvc/main.py
+++ b/dvc/main.py
@@ -33,7 +33,6 @@ def main(argv=None):
         int: command's return code.
     """
     args = None
-    cmd = None
     disable_other_loggers()
 
     outerLogLevel = logger.level