diff --git a/pandas/_libs/algos.pyx b/pandas/_libs/algos.pyx
index 8cbc65633c786..d159761c3f5e6 100644
--- a/pandas/_libs/algos.pyx
+++ b/pandas/_libs/algos.pyx
@@ -33,7 +33,6 @@ from libc.math cimport sqrt, fabs
 from util cimport numeric, get_nat
 
 cimport lib
-from lib cimport is_null_datetimelike
 from pandas._libs import lib
 
 cdef int64_t iNaT = get_nat()