diff --git a/gdb/testsuite/gdb.arch/aarch64-mte-core.exp b/gdb/testsuite/gdb.arch/aarch64-mte-core.exp
index dde5df47b1a..6127ffb302b 100644
--- a/gdb/testsuite/gdb.arch/aarch64-mte-core.exp
+++ b/gdb/testsuite/gdb.arch/aarch64-mte-core.exp
@@ -166,6 +166,8 @@ proc test_mode { mode } {
 
 require is_aarch64_target
 
+require {have_compile_flag -march=armv8.5-a+memtag}
+
 # Run tests
 foreach_with_prefix mode {"sync" "async"} {
     test_mode $mode
diff --git a/gdb/testsuite/gdb.arch/aarch64-pauth.exp b/gdb/testsuite/gdb.arch/aarch64-pauth.exp
index d0dfaf96900..36d8e722072 100644
--- a/gdb/testsuite/gdb.arch/aarch64-pauth.exp
+++ b/gdb/testsuite/gdb.arch/aarch64-pauth.exp
@@ -19,6 +19,8 @@
 
 require is_aarch64_target
 
+require {have_compile_flag -mbranch-protection=pac-ret+leaf}
+
 # Build program with address signing forced on.
 standard_testfile
 set compile_flags {debug}