diff --git a/spacy/cli/train.py b/spacy/cli/train.py
index afb2603d7..f09592f77 100644
--- a/spacy/cli/train.py
+++ b/spacy/cli/train.py
@@ -171,7 +171,7 @@ def train_cli(
     else:
         if use_gpu >= 0:
             msg.info(f"Using GPU: {str(use_gpu)}")
-            util.use_gpu(use_gpu)
+            require_gpu(use_gpu)
         else:
             msg.info("Using CPU")
         train(**train_args)
diff --git a/spacy/util.py b/spacy/util.py
index 9e555ccf7..4a17b7f24 100644
--- a/spacy/util.py
+++ b/spacy/util.py
@@ -906,45 +906,6 @@ def escape_html(text):
     return text
 
 
-<<<<<<< HEAD
-def use_gpu(gpu_id):
-    return require_gpu(gpu_id)
-
-
-def gpu_is_available():
-    try:
-        cupy.cuda.runtime.getDeviceCount()
-        return True
-    except cupy.cuda.runtime.CUDARuntimeError:
-        return False
-
-
-def fix_random_seed(seed=0):
-    random.seed(seed)
-    numpy.random.seed(seed)
-    if cupy is not None and gpu_is_available():
-        cupy.random.seed(seed)
-
-
-def get_serialization_exclude(serializers, exclude, kwargs):
-    """Helper function to validate serialization args and manage transition from
-    keyword arguments (pre v2.1) to exclude argument.
-    """
-    exclude = list(exclude)
-    # Split to support file names like meta.json
-    options = [name.split(".")[0] for name in serializers]
-    for key, value in kwargs.items():
-        if key in ("vocab",) and value is False:
-            warnings.warn(Warnings.W015.format(arg=key), DeprecationWarning)
-            exclude.append(key)
-        elif key.split(".")[0] in options:
-            raise ValueError(Errors.E128.format(arg=key))
-        # TODO: user warning?
-    return exclude
-
-
-=======
->>>>>>> 19d42f42de30ba57e17427798ea2562cdab2c9f8
 def get_words_and_spaces(words, text):
     if "".join("".join(words).split()) != "".join(text.split()):
         raise ValueError(Errors.E194.format(text=text, words=words))