diff --git a/python/flatbuffers/encode.py b/python/flatbuffers/encode.py
index 2f3be266d..1aa9230e3 100644
--- a/python/flatbuffers/encode.py
+++ b/python/flatbuffers/encode.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import ctypes
-
 from . import number_types as N
 from . import packer
 from .compat import memoryview_type
diff --git a/python/flatbuffers/number_types.py b/python/flatbuffers/number_types.py
index 9d42591f5..a9605deec 100644
--- a/python/flatbuffers/number_types.py
+++ b/python/flatbuffers/number_types.py
@@ -12,10 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import ctypes
 import collections
 import struct
-from ctypes import sizeof
 
 from . import packer