diff --git a/glue/__init__.py b/glue/__init__.py
index 906eb68d7..af5b8dcf6 100644
--- a/glue/__init__.py
+++ b/glue/__init__.py
@@ -5,7 +5,6 @@
 import os
 
 import sys
-import warnings
 
 import importlib.metadata
 
@@ -15,7 +14,6 @@
 sys.meta_path.append(MatplotlibBackendSetter())
 
 from glue.viewers.custom.helper import custom_viewer
-from glue.utils.error import GlueDeprecationWarning
 
 # Load user's configuration file
 from .config import load_configuration
diff --git a/glue/conftest.py b/glue/conftest.py
index 140cf28c6..e0e0251b1 100644
--- a/glue/conftest.py
+++ b/glue/conftest.py
@@ -1,19 +1,8 @@
 import os
 import sys
-import warnings
-
-import pytest
 
 from glue.config import CFG_DIR as CFG_DIR_ORIG
 
-try:
-    import objgraph
-except ImportError:
-    OBJGRAPH_INSTALLED = False
-else:
-    OBJGRAPH_INSTALLED = True
-
-
 STDERR_ORIGINAL = sys.stderr
 
 ON_APPVEYOR = os.environ.get('APPVEYOR', 'False') == 'True'