diff --git a/bin/check/Makefile.in b/bin/check/Makefile.in
index c7f2f0f26d..9e8334968f 100644
--- a/bin/check/Makefile.in
+++ b/bin/check/Makefile.in
@@ -25,7 +25,6 @@ CWARNINGS =
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 NSLIBS =	../../lib/ns/libns.@A@
 
@@ -36,7 +35,6 @@ BIND9DEPLIBS =	../../lib/bind9/libbind9.@A@
 NSDEPENDLIBS =	../../lib/ns/libns.@A@
 
 LIBS =		${ISCLIBS} @LIBS@
-NOSYMLIBS =	${ISCNOSYMLIBS} @LIBS@
 
 SUBDIRS =
 
diff --git a/bin/confgen/Makefile.in b/bin/confgen/Makefile.in
index c03183b145..2cd57c17ad 100644
--- a/bin/confgen/Makefile.in
+++ b/bin/confgen/Makefile.in
@@ -28,7 +28,6 @@ CWARNINGS =
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 ISCCCLIBS =	../../lib/isccc/libisccc.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 
@@ -43,8 +42,6 @@ RNDCDEPLIBS =	${ISCCFGDEPLIBS} ${ISCCCDEPLIBS} ${BIND9DEPLIBS} ${DNSDEPLIBS} ${I
 
 LIBS =		${DNSLIBS} ${ISCLIBS} @LIBS@
 
-NOSYMLIBS =	${DNSLIBS} ${ISCNOSYMLIBS} @LIBS@
-
 CONFDEPLIBS =	${DNSDEPLIBS} ${ISCDEPLIBS}
 
 SRCS=		rndc-confgen.c ddns-confgen.c
diff --git a/bin/delv/Makefile.in b/bin/delv/Makefile.in
index 06743061b2..c0c1f4a219 100644
--- a/bin/delv/Makefile.in
+++ b/bin/delv/Makefile.in
@@ -25,7 +25,6 @@ CWARNINGS =
 
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 IRSLIBS =	../../lib/irs/libirs.@A@
 
@@ -37,7 +36,6 @@ IRSDEPLIBS =	../../lib/irs/libirs.@A@
 DEPLIBS =	${DNSDEPLIBS} ${IRSDEPLIBS} ${ISCCFGDEPLIBS} ${ISCDEPLIBS}
 
 LIBS =		${DNSLIBS} ${IRSLIBS} ${ISCCFGLIBS} ${ISCLIBS} @LIBS@
-NOSYMLIBS =	${DNSLIBS} ${IRSLIBS} ${ISCCFGLIBS} ${ISCNOSYMLIBS} @LIBS@
 
 SUBDIRS =
 
diff --git a/bin/dig/Makefile.in b/bin/dig/Makefile.in
index f5f604c8db..b6c573cd56 100644
--- a/bin/dig/Makefile.in
+++ b/bin/dig/Makefile.in
@@ -29,7 +29,6 @@ ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 IRSLIBS =	../../lib/irs/libirs.@A@
 
 ISCCFGDEPLIBS =	../../lib/isccfg/libisccfg.@A@
@@ -44,9 +43,6 @@ DEPLIBS =	${DNSDEPLIBS} ${IRSDEPLIBS} ${BIND9DEPLIBS} \
 LIBS =		${DNSLIBS} ${IRSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \
 		${ISCLIBS} @LIBIDN2_LIBS@ @LIBS@
 
-NOSYMLIBS =	${DNSLIBS} ${IRSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \
-		${ISCNOSYMLIBS} @LIBIDN2_LIBS@ @LIBS@
-
 SUBDIRS =
 
 TARGETS =	dig@EXEEXT@ host@EXEEXT@ nslookup@EXEEXT@
diff --git a/bin/dnssec/Makefile.in b/bin/dnssec/Makefile.in
index 05fdb55df7..d26db1902f 100644
--- a/bin/dnssec/Makefile.in
+++ b/bin/dnssec/Makefile.in
@@ -24,7 +24,6 @@ CWARNINGS =
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 
 DNSDEPLIBS =	../../lib/dns/libdns.@A@
 ISCDEPLIBS =	../../lib/isc/libisc.@A@
@@ -34,8 +33,6 @@ DEPLIBS =	${DNSDEPLIBS} ${ISCCFGDEPLIBS} ${ISCDEPLIBS}
 
 LIBS =		${DNSLIBS} ${ISCCFGLIBS} ${ISCLIBS} @LIBS@
 
-NOSYMLIBS =	${DNSLIBS} ${ISCCFGLIBS} ${ISCNOSYMLIBS} @LIBS@
-
 # Alphabetically
 TARGETS =	dnssec-cds@EXEEXT@ dnssec-dsfromkey@EXEEXT@ \
 		dnssec-importkey@EXEEXT@ dnssec-keyfromlabel@EXEEXT@ \
diff --git a/bin/named/Makefile.in b/bin/named/Makefile.in
index f66bc9a6e2..4e568e2999 100644
--- a/bin/named/Makefile.in
+++ b/bin/named/Makefile.in
@@ -61,7 +61,6 @@ DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 ISCCCLIBS =	../../lib/isccc/libisccc.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 NSLIBS =	../../lib/ns/libns.@A@
 
@@ -80,11 +79,6 @@ LIBS =		${NSLIBS} ${DNSLIBS} ${BIND9LIBS} \
 		${DLZDRIVER_LIBS} ${DBDRIVER_LIBS} @LIBCAP_LIBS@ \
 		@LIBS@
 
-NOSYMLIBS =	${NSLIBS} ${DNSLIBS} ${BIND9LIBS} \
-		${ISCCFGLIBS} ${ISCCCLIBS} ${ISCNOSYMLIBS} \
-		${DLZDRIVER_LIBS} ${DBDRIVER_LIBS} @LIBCAP_LIBS@ \
-		@LIBS@
-
 SUBDIRS =	unix
 
 TARGETS =	named@EXEEXT@
@@ -101,8 +95,6 @@ OBJS =		builtin.@O@ config.@O@ control.@O@ \
 
 UOBJS =		unix/os.@O@ unix/dlz_dlopen_driver.@O@
 
-SYMOBJS =	symtbl.@O@
-
 GEOIP2LINKSRCS = geoip.c
 
 SRCS =		builtin.c config.c control.c \
@@ -148,7 +140,6 @@ server.@O@: server.c
 		-DVERSION=\"${VERSION}\" -c ${srcdir}/server.c
 
 named@EXEEXT@: ${OBJS} ${DEPLIBS}
-	export MAKE_SYMTABLE="yes"; \
 	export BASEOBJS="${OBJS} ${UOBJS}"; \
 	${FINALBUILDCMD}
 
@@ -184,6 +175,3 @@ uninstall::
 	${LIBTOOL_MODE_UNINSTALL} rm -f ${DESTDIR}${sbindir}/named@EXEEXT@
 
 @DLZ_DRIVER_RULES@
-
-named-symtbl.@O@: named-symtbl.c
-	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} -c named-symtbl.c
diff --git a/bin/named/main.c b/bin/named/main.c
index 603e8a1b5e..d7150c47bd 100644
--- a/bin/named/main.c
+++ b/bin/named/main.c
@@ -200,7 +200,6 @@ assertion_failed(const char *file, int line, isc_assertiontype_t type,
 	int i, nframes;
 	isc_result_t result;
 	const char *logsuffix = "";
-	const char *fname;
 
 	/*
 	 * Handle assertion failures.
@@ -224,27 +223,10 @@ assertion_failed(const char *file, int line, isc_assertiontype_t type,
 			      isc_assertion_typetotext(type), cond, logsuffix);
 		if (result == ISC_R_SUCCESS) {
 			for (i = 0; i < nframes; i++) {
-				unsigned long offset;
-
-				fname = NULL;
-				result = isc_backtrace_getsymbol(
-					tracebuf[i], &fname, &offset);
-				if (result == ISC_R_SUCCESS) {
-					isc_log_write(named_g_lctx,
-						      NAMED_LOGCATEGORY_GENERAL,
-						      NAMED_LOGMODULE_MAIN,
-						      ISC_LOG_CRITICAL,
-						      "#%d %p in %s()+0x%lx", i,
-						      tracebuf[i], fname,
-						      offset);
-				} else {
-					isc_log_write(named_g_lctx,
-						      NAMED_LOGCATEGORY_GENERAL,
-						      NAMED_LOGMODULE_MAIN,
-						      ISC_LOG_CRITICAL,
-						      "#%d %p in ??", i,
-						      tracebuf[i]);
-				}
+				isc_log_write(
+					named_g_lctx, NAMED_LOGCATEGORY_GENERAL,
+					NAMED_LOGMODULE_MAIN, ISC_LOG_CRITICAL,
+					"#%d %p in ??", i, tracebuf[i]);
 			}
 		}
 		isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL,
@@ -974,36 +956,6 @@ destroy_managers(void) {
 	isc_nm_destroy(&named_g_nm);
 }
 
-static void
-dump_symboltable(void) {
-	int i;
-	isc_result_t result;
-	const char *fname;
-	const void *addr;
-
-	if (isc__backtrace_nsymbols == 0) {
-		return;
-	}
-
-	if (!isc_log_wouldlog(named_g_lctx, ISC_LOG_DEBUG(99))) {
-		return;
-	}
-
-	isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL,
-		      NAMED_LOGMODULE_MAIN, ISC_LOG_DEBUG(99), "Symbol table:");
-
-	for (i = 0, result = ISC_R_SUCCESS; result == ISC_R_SUCCESS; i++) {
-		addr = NULL;
-		fname = NULL;
-		result = isc_backtrace_getsymbolfromindex(i, &addr, &fname);
-		if (result == ISC_R_SUCCESS) {
-			isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL,
-				      NAMED_LOGMODULE_MAIN, ISC_LOG_DEBUG(99),
-				      "[%d] %p %s", i, addr, fname);
-		}
-	}
-}
-
 static void
 setup(void) {
 	isc_result_t result;
@@ -1191,8 +1143,6 @@ setup(void) {
 		      NAMED_LOGMODULE_MAIN, ISC_LOG_NOTICE,
 		      "----------------------------------------------------");
 
-	dump_symboltable();
-
 	/*
 	 * Get the initial resource limits.
 	 */
diff --git a/bin/nsupdate/Makefile.in b/bin/nsupdate/Makefile.in
index a4b99bddc7..a81ee91938 100644
--- a/bin/nsupdate/Makefile.in
+++ b/bin/nsupdate/Makefile.in
@@ -29,7 +29,6 @@ CWARNINGS =
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 IRSLIBS =	../../lib/irs/libirs.@A@
 
@@ -45,9 +44,6 @@ DEPLIBS =	${DNSDEPLIBS} ${IRSDEPLIBS} ${BIND9DEPLIBS} \
 LIBS =		${DNSLIBS} ${IRSLIBS} ${BIND9LIBS} \
 		${ISCCFGLIBS} ${ISCLIBS} @LIBS@
 
-NOSYMLIBS =	${DNSLIBS} ${IRSLIBS} ${BIND9LIBS} \
-		${ISCCFGLIBS} ${ISCNOSYMLIBS} @LIBS@
-
 SUBDIRS =
 
 TARGETS =	nsupdate@EXEEXT@
diff --git a/bin/rndc/Makefile.in b/bin/rndc/Makefile.in
index c5abfa6478..8eef2106d1 100644
--- a/bin/rndc/Makefile.in
+++ b/bin/rndc/Makefile.in
@@ -24,7 +24,6 @@ CWARNINGS =
 ISCCFGLIBS =	../../lib/isccfg/libisccfg.@A@
 ISCCCLIBS =	../../lib/isccc/libisccc.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 
@@ -35,7 +34,6 @@ DNSDEPLIBS =	../../lib/dns/libdns.@A@
 BIND9DEPLIBS =	../../lib/bind9/libbind9.@A@
 
 LIBS =		${ISCLIBS} @LIBS@
-NOSYMLIBS =	${ISCNOSYMLIBS} @LIBS@
 
 RNDCDEPLIBS =	${ISCCFGDEPLIBS} ${ISCCCDEPLIBS} ${BIND9DEPLIBS} ${DNSDEPLIBS} ${ISCDEPLIBS}
 
diff --git a/bin/tests/Makefile.in b/bin/tests/Makefile.in
index 63659531cb..49a3d3aecb 100644
--- a/bin/tests/Makefile.in
+++ b/bin/tests/Makefile.in
@@ -22,12 +22,10 @@ BACKTRACECFLAGS = @BACKTRACECFLAGS@
 
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 ISCCFGLIBS = 	../../lib/isccfg/libisccfg.@A@
 
 DNSDEPLIBS =	../../lib/dns/libdns.@A@
 ISCDEPLIBS =	../../lib/isc/libisc.@A@
-ISCDEPNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@
 ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@
 
 LIBS =		@LIBS@
diff --git a/bin/tests/optional/.gitignore b/bin/tests/optional/.gitignore
index 4c0b637f36..0d89a8600c 100644
--- a/bin/tests/optional/.gitignore
+++ b/bin/tests/optional/.gitignore
@@ -1,5 +1,3 @@
 /backtrace_test.dSYM/
 /backtrace_test0.dSYM/
-/backtrace_test_nosymtbl
-/backtrace_test_nosymtbl.dSYM/
 /nsecify
diff --git a/bin/tests/optional/Makefile.in b/bin/tests/optional/Makefile.in
index ab5536d1d1..593610633a 100644
--- a/bin/tests/optional/Makefile.in
+++ b/bin/tests/optional/Makefile.in
@@ -24,12 +24,10 @@ PTHREAD_CFLAGS = @PTHREAD_CFLAGS@
 
 DNSLIBS =	../../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 ISCLIBS =	../../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 ISCCFGLIBS = 	../../../lib/isccfg/libisccfg.@A@
 
 DNSDEPLIBS =	../../../lib/dns/libdns.@A@
 ISCDEPLIBS =	../../../lib/isc/libisc.@A@
-ISCDEPNOSYMLIBS = ../../../lib/isc/libisc-nosymtbl.@A@
 ISCCFGDEPLIBS = ../../../lib/isccfg/libisccfg.@A@
 
 LIBS =		@LIBS@
@@ -44,7 +42,6 @@ TARGETS =	@XTARGETS@
 XTARGETS =	adb_test@EXEEXT@ \
 		byaddr_test@EXEEXT@ \
 		backtrace_test@EXEEXT@ \
-		backtrace_test_nosymtbl@EXEEXT@ \
 		byname_test@EXEEXT@ \
 		db_test@EXEEXT@ \
 		gsstest@EXEEXT@ \
@@ -109,27 +106,10 @@ adb_test@EXEEXT@: adb_test.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
 	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ adb_test.@O@ \
 		${DNSLIBS} ${ISCLIBS} ${LIBS}
 
-backtrace_test_nosymtbl@EXEEXT@: ${srcdir}/backtrace_test.c ${ISCDEPLIBS}
+backtrace_test@EXEEXT@: ${srcdir}/backtrace_test.c ${ISCDEPLIBS}
 	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${BTTEST_CFLAGS} ${LDFLAGS} -o $@ \
 	${srcdir}/backtrace_test.c ${ISCLIBS} ${LIBS}
 
-backtrace_test@EXEEXT@: ${srcdir}/backtrace_test.c backtrace_test_nosymtbl@EXEEXT@
-	#first step: create a first symbol table
-	rm -f symtbl.c
-	cp ${top_srcdir}/lib/isc/backtrace-emptytbl.c symtbl.c
-	#second step: build a binary with the first symbol table
-	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${BTTEST_CFLAGS} ${LDFLAGS} \
-	-o $@0 ${srcdir}/backtrace_test.c symtbl.c \
-	${ISCNOSYMLIBS} ${LIBS}
-	rm -f symtbl.c
-	#third step: create a second symbol table
-	cp ${top_srcdir}/lib/isc/backtrace-emptytbl.c symtbl.c
-	#fourth step: build the final binary
-	rm -f $@0
-	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${BTTEST_CFLAGS} ${LDFLAGS} \
-	-o $@ ${srcdir}/backtrace_test.c symtbl.c ${ISCNOSYMLIBS} ${LIBS}
-	rm -f symtbl.c
-
 nsecify@EXEEXT@: nsecify.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS}
 	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ nsecify.@O@ \
 		${DNSLIBS} ${ISCLIBS} ${LIBS}
diff --git a/bin/tests/optional/backtrace_test.c b/bin/tests/optional/backtrace_test.c
index 728c0ca44b..5527835eee 100644
--- a/bin/tests/optional/backtrace_test.c
+++ b/bin/tests/optional/backtrace_test.c
@@ -16,16 +16,11 @@
 #include <isc/print.h>
 #include <isc/result.h>
 
-const char *expected_symbols[] = { "func3", "func2", "func1", "main" };
-
 static int
 func3() {
 	void *tracebuf[16];
-	int i, nframes;
-	int error = 0;
-	const char *fname;
+	int nframes;
 	isc_result_t result;
-	unsigned long offset;
 
 	result = isc_backtrace_gettrace(tracebuf, 16, &nframes);
 	if (result != ISC_R_SUCCESS) {
@@ -35,39 +30,12 @@ func3() {
 	}
 
 	if (nframes < 4) {
-		error++;
-	}
-
-	for (i = 0; i < 4 && i < nframes; i++) {
-		fname = NULL;
-		result = isc_backtrace_getsymbol(tracebuf[i], &fname, &offset);
-		if (result != ISC_R_SUCCESS) {
-			error++;
-			continue;
-		}
-		if (strcmp(fname, expected_symbols[i]) != 0) {
-			error++;
-		}
-	}
-
-	if (error) {
 		printf("Unexpected result:\n");
 		printf("  # of frames: %d (expected: at least 4)\n", nframes);
-		printf("  symbols:\n");
-		for (i = 0; i < nframes; i++) {
-			fname = NULL;
-			result = isc_backtrace_getsymbol(tracebuf[i], &fname,
-							 &offset);
-			if (result == ISC_R_SUCCESS) {
-				printf("  [%d] %s\n", i, fname);
-			} else {
-				printf("  [%d] %p getsymbol failed: %s\n", i,
-				       tracebuf[i], isc_result_totext(result));
-			}
-		}
+		return (1);
 	}
 
-	return (error);
+	return (0);
 }
 
 static int
diff --git a/bin/tools/Makefile.in b/bin/tools/Makefile.in
index 4ed360e4ea..adfda90b0d 100644
--- a/bin/tools/Makefile.in
+++ b/bin/tools/Makefile.in
@@ -26,7 +26,6 @@ CWARNINGS =
 DNSLIBS =	../../lib/dns/libdns.@A@ ${MAXMINDDB_LIBS} @DNS_CRYPTO_LIBS@
 BIND9LIBS =	../../lib/bind9/libbind9.@A@
 ISCLIBS =	../../lib/isc/libisc.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
-ISCNOSYMLIBS =	../../lib/isc/libisc-nosymtbl.@A@ ${OPENSSL_LIBS} ${JSON_C_LIBS} ${LIBXML2_LIBS} ${ZLIB_LIBS}
 ISCCFGLIBS = 	../../lib/isccfg/libisccfg.@A@
 
 DNSDEPLIBS =	../../lib/dns/libdns.@A@
@@ -35,7 +34,6 @@ ISCDEPLIBS =	../../lib/isc/libisc.@A@
 ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@
 
 LIBS =		${ISCLIBS} @LIBS@
-NOSYMLIBS =	${ISCNOSYMLIBS} @LIBS@
 
 SUBDIRS =
 
diff --git a/lib/isc/Makefile.in b/lib/isc/Makefile.in
index 7876c511e2..abbaecb052 100644
--- a/lib/isc/Makefile.in
+++ b/lib/isc/Makefile.in
@@ -64,7 +64,6 @@ OBJS =		pk11.@O@ pk11_result.@O@ \
 		string.@O@ symtab.@O@ task.@O@ taskpool.@O@ \
 		tm.@O@ timer.@O@ version.@O@ \
 		${UNIXOBJS} ${THREADOBJS}
-SYMTBLOBJS =	backtrace-emptytbl.@O@
 
 # Alphabetically
 SRCS =		pk11.c pk11_result.c \
@@ -102,19 +101,19 @@ version.@O@: version.c
 		-DLIBAGE=${LIBAGE} \
 		-c ${srcdir}/version.c
 
-libisc.@SA@: ${OBJS} ${SYMTBLOBJS}
-	${AR} ${ARFLAGS} $@ ${OBJS} ${SYMTBLOBJS}
+libisc.@SA@: ${OBJS}
+	${AR} ${ARFLAGS} $@ ${OBJS}
 	${RANLIB} $@
 
 libisc-nosymtbl.@SA@: ${OBJS}
 	${AR} ${ARFLAGS} $@ ${OBJS}
 	${RANLIB} $@
 
-libisc.la: ${OBJS} ${SYMTBLOBJS}
+libisc.la: ${OBJS}
 	${LIBTOOL_MODE_LINK} \
 		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisc.la -rpath ${libdir} \
 		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
-		${OBJS} ${SYMTBLOBJS} ${LIBS}
+		${OBJS} ${LIBS}
 
 libisc-nosymtbl.la: ${OBJS}
 	${LIBTOOL_MODE_LINK} \
diff --git a/lib/isc/assertions.c b/lib/isc/assertions.c
index 21ca21b638..cd5cda3b5f 100644
--- a/lib/isc/assertions.c
+++ b/lib/isc/assertions.c
@@ -97,7 +97,6 @@ default_callback(const char *file, int line, isc_assertiontype_t type,
 	void *tracebuf[BACKTRACE_MAXFRAME];
 	int i, nframes;
 	const char *logsuffix = ".";
-	const char *fname;
 	isc_result_t result;
 
 	result = isc_backtrace_gettrace(tracebuf, BACKTRACE_MAXFRAME, &nframes);
@@ -110,18 +109,7 @@ default_callback(const char *file, int line, isc_assertiontype_t type,
 
 	if (result == ISC_R_SUCCESS) {
 		for (i = 0; i < nframes; i++) {
-			unsigned long offset;
-
-			fname = NULL;
-			result = isc_backtrace_getsymbol(tracebuf[i], &fname,
-							 &offset);
-			if (result == ISC_R_SUCCESS) {
-				fprintf(stderr, "#%d %p in %s()+0x%lx\n", i,
-					tracebuf[i], fname, offset);
-			} else {
-				fprintf(stderr, "#%d %p in ??\n", i,
-					tracebuf[i]);
-			}
+			fprintf(stderr, "#%d %p in ??\n", i, tracebuf[i]);
 		}
 	}
 	fflush(stderr);
diff --git a/lib/isc/backtrace-emptytbl.c b/lib/isc/backtrace-emptytbl.c
deleted file mode 100644
index 7193666ff2..0000000000
--- a/lib/isc/backtrace-emptytbl.c
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * See the COPYRIGHT file distributed with this work for additional
- * information regarding copyright ownership.
- */
-
-/*! \file */
-
-/*
- * This file defines an empty (default) symbol table used in backtrace.c
- * If the application wants to have a complete symbol table, it should redefine
- * isc__backtrace_symtable with the complete table in some way, and link the
- * version of the library not including this definition
- * (e.g. libisc-nosymbol.a).
- */
-
-#include <isc/backtrace.h>
-
-LIBISC_EXTERNAL_DATA const int isc__backtrace_nsymbols = 0;
-LIBISC_EXTERNAL_DATA const isc_backtrace_symmap_t isc__backtrace_symtable[] = {
-	{ NULL, "" }
-};
diff --git a/lib/isc/backtrace.c b/lib/isc/backtrace.c
index d0a52ae364..aafff91b6a 100644
--- a/lib/isc/backtrace.c
+++ b/lib/isc/backtrace.c
@@ -221,80 +221,3 @@ isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
 	return (ISC_R_NOTIMPLEMENTED);
 }
 #endif /* ifdef BACKTRACE_LIBC */
-
-isc_result_t
-isc_backtrace_getsymbolfromindex(int idx, const void **addrp,
-				 const char **symbolp) {
-	REQUIRE(addrp != NULL && *addrp == NULL);
-	REQUIRE(symbolp != NULL && *symbolp == NULL);
-
-	if (idx < 0 || idx >= isc__backtrace_nsymbols) {
-		return (ISC_R_RANGE);
-	}
-
-	*addrp = isc__backtrace_symtable[idx].addr;
-	*symbolp = isc__backtrace_symtable[idx].symbol;
-	return (ISC_R_SUCCESS);
-}
-
-static int
-symtbl_compare(const void *addr, const void *entryarg) {
-	const isc_backtrace_symmap_t *entry = entryarg;
-	const isc_backtrace_symmap_t *end =
-		&isc__backtrace_symtable[isc__backtrace_nsymbols - 1];
-
-	if (isc__backtrace_nsymbols == 1 || entry == end) {
-		if (addr >= entry->addr) {
-			/*
-			 * If addr is equal to or larger than that of the last
-			 * entry of the table, we cannot be sure if this is
-			 * within a valid range so we consider it valid.
-			 */
-			return (0);
-		}
-		return (-1);
-	}
-
-	/* entry + 1 is a valid entry from now on. */
-	if (addr < entry->addr) {
-		return (-1);
-	} else if (addr >= (entry + 1)->addr) {
-		return (1);
-	}
-	return (0);
-}
-
-isc_result_t
-isc_backtrace_getsymbol(const void *addr, const char **symbolp,
-			unsigned long *offsetp) {
-	isc_result_t result = ISC_R_SUCCESS;
-	isc_backtrace_symmap_t *found;
-
-	/*
-	 * Validate the arguments: intentionally avoid using REQUIRE().
-	 * See notes in backtrace.h.
-	 */
-	if (symbolp == NULL || *symbolp != NULL || offsetp == NULL) {
-		return (ISC_R_FAILURE);
-	}
-
-	if (isc__backtrace_nsymbols < 1) {
-		return (ISC_R_NOTFOUND);
-	}
-
-	/*
-	 * Search the table for the entry that meets:
-	 * entry.addr <= addr < next_entry.addr.
-	 */
-	found = bsearch(addr, isc__backtrace_symtable, isc__backtrace_nsymbols,
-			sizeof(isc__backtrace_symtable[0]), symtbl_compare);
-	if (found == NULL) {
-		result = ISC_R_NOTFOUND;
-	} else {
-		*symbolp = found->symbol;
-		*offsetp = (unsigned long)((const char *)addr -
-					   (char *)found->addr);
-	}
-
-	return (result);
-}
diff --git a/lib/isc/include/isc/backtrace.h b/lib/isc/include/isc/backtrace.h
index c68c02a92b..a7a5ff0f7a 100644
--- a/lib/isc/include/isc/backtrace.h
+++ b/lib/isc/include/isc/backtrace.h
@@ -39,18 +39,6 @@
 
 #include <isc/types.h>
 
-/***
- *** Types
- ***/
-struct isc_backtrace_symmap {
-	void *	    addr;
-	const char *symbol;
-};
-
-LIBISC_EXTERNAL_DATA extern const int isc__backtrace_nsymbols;
-LIBISC_EXTERNAL_DATA extern const isc_backtrace_symmap_t
-	isc__backtrace_symtable[];
-
 /***
  *** Functions
  ***/
@@ -77,49 +65,6 @@ isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes);
  *\li	#ISC_R_NOTFOUND
  *\li	#ISC_R_NOTIMPLEMENTED
  */
-
-isc_result_t
-isc_backtrace_getsymbolfromindex(int index, const void **addrp,
-				 const char **symbolp);
-/*%<
- * Returns the content of the internal symbol table of the given index.
- * On success, *addrsp and *symbolp point to the address and the symbol of
- * the 'index'th entry of the table, respectively.  If 'index' is not in the
- * range of the symbol table, ISC_R_RANGE will be returned.
- *
- * Requires
- *
- *\li	'addrp' must be non NULL && '*addrp' == NULL.
- *
- *\li	'symbolp' must be non NULL && '*symbolp' == NULL.
- *
- * Returns:
- *
- *\li	#ISC_R_SUCCESS
- *\li	#ISC_R_RANGE
- */
-
-isc_result_t
-isc_backtrace_getsymbol(const void *addr, const char **symbolp,
-			unsigned long *offsetp);
-/*%<
- * Searches the internal symbol table for the symbol that most matches the
- * given 'addr'.  On success, '*symbolp' will point to the name of function
- * to which the address 'addr' belong, and '*offsetp' will store the offset
- * from the function's entry address to 'addr'.
- *
- * Requires (note that these are not ensured by assertion checks, see above):
- *
- *\li	'symbolp' must be non NULL && '*symbolp' == NULL.
- *
- *\li	'offsetp' must be non NULL.
- *
- * Returns:
- *
- *\li	#ISC_R_SUCCESS
- *\li	#ISC_R_FAILURE
- *\li	#ISC_R_NOTFOUND
- */
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_BACKTRACE_H */
diff --git a/lib/isc/include/isc/types.h b/lib/isc/include/isc/types.h
index 9d2ad6c718..bcdc872867 100644
--- a/lib/isc/include/isc/types.h
+++ b/lib/isc/include/isc/types.h
@@ -31,13 +31,11 @@
 
 /* Core Types.  Alphabetized by defined type. */
 
-typedef struct isc_astack	    isc_astack_t; /*%< Array-based fast stack */
-typedef struct isc_appctx	    isc_appctx_t; /*%< Application context */
-typedef struct isc_backtrace_symmap isc_backtrace_symmap_t; /*%< Symbol Table
-							     * Entry */
-typedef struct isc_buffer isc_buffer_t;			    /*%< Buffer */
-typedef ISC_LIST(isc_buffer_t) isc_bufferlist_t;	    /*%< Buffer List */
-typedef struct isc_constregion	   isc_constregion_t;	    /*%< Const region */
+typedef struct isc_astack isc_astack_t;		 /*%< Array-based fast stack */
+typedef struct isc_appctx isc_appctx_t;		 /*%< Application context */
+typedef struct isc_buffer isc_buffer_t;		 /*%< Buffer */
+typedef ISC_LIST(isc_buffer_t) isc_bufferlist_t; /*%< Buffer List */
+typedef struct isc_constregion	   isc_constregion_t;	  /*%< Const region */
 typedef struct isc_consttextregion isc_consttextregion_t; /*%< Const Text Region
 							   */
 typedef struct isc_counter isc_counter_t;		  /*%< Counter */
diff --git a/lib/isc/win32/libisc.def.in b/lib/isc/win32/libisc.def.in
index 2b590f8a02..cab49519a0 100644
--- a/lib/isc/win32/libisc.def.in
+++ b/lib/isc/win32/libisc.def.in
@@ -125,8 +125,6 @@ isc_appctx_destroy
 isc_assertion_failed
 isc_assertion_setcallback
 isc_assertion_typetotext
-isc_backtrace_getsymbol
-isc_backtrace_getsymbolfromindex
 isc_backtrace_gettrace
 isc_base32_decoderegion
 isc_base32_decodestring
@@ -755,8 +753,6 @@ syslog
 
 EXPORTS
 
-isc__backtrace_nsymbols		DATA
-isc__backtrace_symtable		DATA
 isc_bind9			DATA
 isc_commandline_argument	DATA
 isc_commandline_errprint	DATA
diff --git a/lib/isc/win32/libisc.vcxproj.filters.in b/lib/isc/win32/libisc.vcxproj.filters.in
index 188f0dbdb4..7a4d86b34e 100644
--- a/lib/isc/win32/libisc.vcxproj.filters.in
+++ b/lib/isc/win32/libisc.vcxproj.filters.in
@@ -461,9 +461,6 @@
     <ClCompile Include="..\backtrace.c">
       <Filter>Library Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\backtrace-emptytbl.c">
-      <Filter>Library Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\base32.c">
       <Filter>Library Source Files</Filter>
     </ClCompile>
diff --git a/lib/isc/win32/libisc.vcxproj.in b/lib/isc/win32/libisc.vcxproj.in
index c45883a5f3..b7079bbf6c 100644
--- a/lib/isc/win32/libisc.vcxproj.in
+++ b/lib/isc/win32/libisc.vcxproj.in
@@ -414,7 +414,6 @@ copy InstallFiles ..\Build\Release\
     <ClCompile Include="..\app.c" />
     <ClCompile Include="..\assertions.c" />
     <ClCompile Include="..\astack.c" />
-    <ClCompile Include="..\backtrace-emptytbl.c" />
     <ClCompile Include="..\backtrace.c" />
     <ClCompile Include="..\base32.c" />
     <ClCompile Include="..\base64.c" />
diff --git a/util/copyrights b/util/copyrights
index bff0ea4fc5..25d4c852ac 100644
--- a/util/copyrights
+++ b/util/copyrights
@@ -2123,7 +2123,6 @@
 ./lib/isc/app.c					C	1999,2000,2001,2002,2003,2004,2005,2007,2008,2009,2013,2014,2015,2016,2017,2018,2019,2020
 ./lib/isc/assertions.c				C	1997,1998,1999,2000,2001,2004,2005,2007,2008,2009,2015,2016,2018,2019,2020
 ./lib/isc/astack.c				C	2019,2020
-./lib/isc/backtrace-emptytbl.c			C	2009,2016,2018,2019,2020
 ./lib/isc/backtrace.c				C	2009,2013,2014,2015,2016,2018,2019,2020
 ./lib/isc/base32.c				C	2008,2009,2013,2014,2015,2016,2018,2019,2020
 ./lib/isc/base64.c				C	1998,1999,2000,2001,2003,2004,2005,2007,2009,2013,2014,2015,2016,2018,2019,2020