diff --git a/jupyter_server/prometheus/log_functions.py b/jupyter_server/prometheus/log_functions.py
index 338b59d0d1..548c5fd8d4 100644
--- a/jupyter_server/prometheus/log_functions.py
+++ b/jupyter_server/prometheus/log_functions.py
@@ -1,4 +1,4 @@
-from notebook.prometheus.metrics import HTTP_REQUEST_DURATION_SECONDS
+from jupyter_server.prometheus.metrics import HTTP_REQUEST_DURATION_SECONDS
 
 
 def prometheus_log_method(handler):
diff --git a/jupyter_server/services/kernels/kernelmanager.py b/jupyter_server/services/kernels/kernelmanager.py
index 4d000e1698..ae2fd6a251 100644
--- a/jupyter_server/services/kernels/kernelmanager.py
+++ b/jupyter_server/services/kernels/kernelmanager.py
@@ -26,7 +26,7 @@
 from jupyter_server._tz import utcnow, isoformat
 from ipython_genutils.py3compat import getcwd
 
-from notebook.prometheus.metrics import KERNEL_CURRENTLY_RUNNING_TOTAL
+from jupyter_server.prometheus.metrics import KERNEL_CURRENTLY_RUNNING_TOTAL
 
 
 class MappingKernelManager(MultiKernelManager):