diff --git a/sentry_sdk/_compat.py b/sentry_sdk/_compat.py
index 6a016c22d5..e513d69e08 100644
--- a/sentry_sdk/_compat.py
+++ b/sentry_sdk/_compat.py
@@ -7,7 +7,6 @@
     T = TypeVar("T")
 
 
-PY37 = sys.version_info[0] == 3 and sys.version_info[1] >= 7
 PY38 = sys.version_info[0] == 3 and sys.version_info[1] >= 8
 PY310 = sys.version_info[0] == 3 and sys.version_info[1] >= 10
 PY311 = sys.version_info[0] == 3 and sys.version_info[1] >= 11
diff --git a/sentry_sdk/traces.py b/sentry_sdk/traces.py
index 6e4819a1d7..b1a3c9b9e7 100644
--- a/sentry_sdk/traces.py
+++ b/sentry_sdk/traces.py
@@ -1,5 +1,6 @@
 import copy
 import sys
+import time
 import uuid
 from datetime import datetime, timedelta, timezone
 from enum import Enum
@@ -18,7 +19,6 @@
     format_attribute,
     get_current_thread_meta,
     logger,
-    nanosecond_time,
     should_be_treated_as_error,
 )
 
@@ -239,7 +239,7 @@ def __init__(
 
         # profiling depends on this value and requires that
         # it is measured in nanoseconds
-        self._start_timestamp_monotonic_ns = nanosecond_time()
+        self._start_timestamp_monotonic_ns = time.perf_counter_ns()
 
         self._span_id: "Optional[str]" = None
 
@@ -352,7 +352,7 @@ def _end(self, end_timestamp: "Optional[Union[float, datetime]]" = None) -> None
                 )
 
         if self._end_timestamp is None:
-            elapsed = nanosecond_time() - self._start_timestamp_monotonic_ns
+            elapsed = time.perf_counter_ns() - self._start_timestamp_monotonic_ns
             self._end_timestamp = self._start_timestamp + timedelta(
                 microseconds=elapsed / 1000
             )
diff --git a/sentry_sdk/utils.py b/sentry_sdk/utils.py
index aa308b0172..bb7b6502bd 100644
--- a/sentry_sdk/utils.py
+++ b/sentry_sdk/utils.py
@@ -31,7 +31,6 @@
 from typing import TYPE_CHECKING
 
 import sentry_sdk
-from sentry_sdk._compat import PY37
 from sentry_sdk._types import SENSITIVE_DATA_SUBSTITUTE, Annotated, AnnotatedValue
 from sentry_sdk.consts import (
     DEFAULT_ADD_FULL_STACK,
@@ -1722,17 +1721,6 @@ def runner(*args: "P.args", **kwargs: "P.kwargs") -> "R":
     return patcher
 
 
-if PY37:
-
-    def nanosecond_time() -> int:
-        return time.perf_counter_ns()
-
-else:
-
-    def nanosecond_time() -> int:
-        return int(time.perf_counter() * 1e9)
-
-
 def now() -> float:
     return time.perf_counter()
 
diff --git a/tests/test_gevent.py b/tests/test_gevent.py
index fc42860925..88b9378a19 100644
--- a/tests/test_gevent.py
+++ b/tests/test_gevent.py
@@ -5,7 +5,7 @@
 import pytest
 
 import sentry_sdk
-from sentry_sdk._compat import PY37, PY38
+from sentry_sdk._compat import PY38
 
 pytest.importorskip("gevent")
 
@@ -33,10 +33,7 @@ def inner(**kwargs):
 @pytest.mark.parametrize("client_flush_method", ["close", "flush"])
 @pytest.mark.parametrize("use_pickle", (True, False))
 @pytest.mark.parametrize("compression_level", (0, 9, None))
-@pytest.mark.parametrize(
-    "compression_algo",
-    (("gzip", "br", "<invalid>", None) if PY37 else ("gzip", "<invalid>", None)),
-)
+@pytest.mark.parametrize("compression_algo", ("gzip", "br", "<invalid>", None))
 @pytest.mark.parametrize("http2", [True, False] if PY38 else [False])
 def test_transport_works_gevent(
     capturing_server,
diff --git a/tests/test_transport.py b/tests/test_transport.py
index 08d6fd83a2..410acaa0d7 100644
--- a/tests/test_transport.py
+++ b/tests/test_transport.py
@@ -32,7 +32,7 @@
     capture_message,
     isolation_scope,
 )
-from sentry_sdk._compat import PY37, PY38
+from sentry_sdk._compat import PY38
 from sentry_sdk.envelope import Envelope, Item, PayloadRef, parse_json
 from sentry_sdk.integrations.asyncio import AsyncioIntegration
 from sentry_sdk.integrations.logging import LoggingIntegration, ignore_logger_for_events
@@ -124,7 +124,7 @@ def inner(**kwargs):
         (True, "close", False, 9, None, True),
         (False, "flush", False, 9, None, False),
     ]
-elif PY37:
+else:
     _transport_works_cases = [
         (True, "close", True, None, "gzip", False),
         (False, "flush", True, None, "br", False),
@@ -139,18 +139,6 @@ def inner(**kwargs):
         (True, "close", False, 9, "<invalid>", False),
         (False, "flush", False, 9, None, False),
     ]
-else:
-    _transport_works_cases = [
-        (True, "close", True, None, "gzip", False),
-        (False, "flush", True, None, "<invalid>", False),
-        (True, "close", False, None, None, False),
-        (False, "flush", False, 0, "gzip", False),
-        (True, "close", True, 0, "<invalid>", False),
-        (False, "flush", True, 0, None, False),
-        (True, "close", False, 9, "gzip", False),
-        (False, "flush", False, 9, "<invalid>", False),
-        (True, "close", True, 9, None, False),
-    ]
 
 
 @pytest.mark.parametrize(