diff --git a/conda/spleeter-cpu.yaml b/conda/spleeter-cpu.yaml
deleted file mode 100644
index 5137ba8..0000000
--- a/conda/spleeter-cpu.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: spleeter-cpu
-
-channels:
-  - conda-forge
-  - anaconda
-
-dependencies:
-  - python=3.7
-  - tensorflow=1.14.0
-  - ffmpeg
-  - pandas==0.25.1
-  - requests
-  - pip
-  - pip:
-    - museval==0.3.0
-    - musdb==0.3.1
-    - norbert==0.2.1
-    - spleeter
-    - ffmpeg-python
diff --git a/conda/spleeter-gpu.yaml b/conda/spleeter-gpu.yaml
deleted file mode 100644
index 094fe7d..0000000
--- a/conda/spleeter-gpu.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: spleeter-gpu
-
-channels:
-  - conda-forge
-  - anaconda
-
-dependencies:
-  - python=3.7
-  - tensorflow-gpu=1.14.0
-  - ffmpeg
-  - pandas==0.25.1
-  - requests
-  - pip
-  - pip:
-    - museval==0.3.0
-    - musdb==0.3.1
-    - norbert==0.2.1
-    - spleeter
-    - ffmpeg-python
-
diff --git a/spleeter/separator.py b/spleeter/separator.py
index c161a8d..48d0b9d 100644
--- a/spleeter/separator.py
+++ b/spleeter/separator.py
@@ -18,7 +18,7 @@ import json
 from functools import partial
 from multiprocessing import Pool
 from pathlib import Path
-from os.path import basename, join
+from os.path import basename, join, splitext
 
 from . import SpleeterError
 from .audio.adapter import get_default_audio_adapter
@@ -121,7 +121,7 @@ class Separator(object):
             duration=duration,
             sample_rate=self._sample_rate)
         sources = self.separate(waveform)
-        filename = basename(audio_descriptor)
+        filename = splitext(basename(audio_descriptor))
         generated = []
         for instrument, data in sources.items():
             path = join(destination, filename_format.format(
diff --git a/tests/test_separator.py b/tests/test_separator.py
index d231987..43a1dda 100644
--- a/tests/test_separator.py
+++ b/tests/test_separator.py
@@ -9,7 +9,7 @@ __license__ = 'MIT License'
 
 import filecmp
 
-from os.path import basename, exists, join
+from os.path import splitext, exists, join
 from tempfile import TemporaryDirectory
 
 import pytest
@@ -19,7 +19,7 @@ from spleeter.audio.adapter import get_default_audio_adapter
 from spleeter.separator import Separator
 
 TEST_AUDIO_DESCRIPTOR = 'audio_example.mp3'
-TEST_AUDIO_BASENAME = basename(TEST_AUDIO_DESCRIPTOR)
+TEST_AUDIO_BASENAME = splitext(TEST_AUDIO_DESCRIPTOR)
 TEST_CONFIGURATIONS = [
     ('spleeter:2stems', ('vocals', 'accompaniment')),
     ('spleeter:4stems', ('vocals', 'drums', 'bass', 'other')),