--- configure.ac
+++ configure.ac
@@ -655,8 +655,6 @@
 	RtlSecureZeroMemory \
 	SecureZeroMemory \
 	accept4 \
-	backtrace \
-	backtrace_symbols_fd \
 	eventfd \
 	explicit_bzero \
 	timingsafe_memcmp \
@@ -1579,7 +1577,6 @@
 		  unistd.h \
 		  arpa/inet.h \
 		  crt_externs.h \
-		  execinfo.h \
 		  gnu/libc-version.h \
 		  grp.h \
 		  ifaddrs.h \
--- configure
+++ configure
@@ -9766,8 +9766,6 @@
 	RtlSecureZeroMemory \
 	SecureZeroMemory \
 	accept4 \
-	backtrace \
-	backtrace_symbols_fd \
 	eventfd \
 	explicit_bzero \
 	timingsafe_memcmp \
@@ -13946,7 +13944,6 @@
 		  unistd.h \
 		  arpa/inet.h \
 		  crt_externs.h \
-		  execinfo.h \
 		  gnu/libc-version.h \
 		  grp.h \
 		  ifaddrs.h \