diff --git a/build_msvc/bitcoin_config.h b/build_msvc/bitcoin_config.h
index e892765fdecdd..6afc29b37bc33 100644
--- a/build_msvc/bitcoin_config.h
+++ b/build_msvc/bitcoin_config.h
@@ -218,9 +218,6 @@
 /* Define to 1 if you have the `rpcrt4' library (-lrpcrt4). */
 #define HAVE_LIBRPCRT4 1
 
-/* Define to 1 if you have the `rt' library (-lrt). */
-/* #undef HAVE_LIBRT */
-
 /* Define to 1 if you have the `shell32' library (-lshell32). */
 #define HAVE_LIBSHELL32 1
 
diff --git a/configure.ac b/configure.ac
index 875491fb9900a..f28c2760cb070 100644
--- a/configure.ac
+++ b/configure.ac
@@ -693,10 +693,6 @@ AX_GCC_FUNC_ATTRIBUTE([dllimport])
 
 if test x$use_glibc_compat != xno; then
 
-  dnl glibc absorbed clock_gettime in 2.17. librt (its previous location) is safe to link
-  dnl in anyway for back-compat.
-  AC_CHECK_LIB([rt],[clock_gettime],, AC_MSG_ERROR(librt missing))
-
   dnl __fdelt_chk's params and return type have changed from long unsigned int to long int.
   dnl See which one is present here.
   AC_MSG_CHECKING(__fdelt_chk type)