diff --git a/Lib/test/libregrtest/setup.py b/Lib/test/libregrtest/setup.py
index fb5ac350cd0..1e0eac3b0fb 100644
--- a/Lib/test/libregrtest/setup.py
+++ b/Lib/test/libregrtest/setup.py
@@ -58,22 +58,6 @@ def setup_tests(ns):
         if getattr(module, '__file__', None):
             module.__file__ = os.path.abspath(module.__file__)
 
-    # MacOSX (a.k.a. Darwin) has a default stack size that is too small
-    # for deeply recursive regular expressions.  We see this as crashes in
-    # the Python test suite when running test_re.py and test_sre.py.  The
-    # fix is to set the stack limit to 2048.
-    # This approach may also be useful for other Unixy platforms that
-    # suffer from small default stack limits.
-    if sys.platform == 'darwin':
-        try:
-            import resource
-        except ImportError:
-            pass
-        else:
-            soft, hard = resource.getrlimit(resource.RLIMIT_STACK)
-            newsoft = min(hard, max(soft, 1024*2048))
-            resource.setrlimit(resource.RLIMIT_STACK, (newsoft, hard))
-
     if ns.huntrleaks:
         unittest.BaseTestSuite._cleanup = False
 
diff --git a/Misc/NEWS.d/next/macOS/2019-07-02-01-06-47.bpo-34602.10d4wl.rst b/Misc/NEWS.d/next/macOS/2019-07-02-01-06-47.bpo-34602.10d4wl.rst
new file mode 100644
index 00000000000..c50ac638df5
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2019-07-02-01-06-47.bpo-34602.10d4wl.rst
@@ -0,0 +1,4 @@
+Avoid test suite failures on macOS by no longer calling resource.setrlimit
+to increase the process stack size limit at runtime.  The runtime change is
+no longer needed since the interpreter is being built with a larger default
+stack size.
diff --git a/configure b/configure
index b606fc808c1..6e7f277bace 100755
--- a/configure
+++ b/configure
@@ -9524,6 +9524,12 @@ then
 	# -u libsys_s pulls in all symbols in libsys
 	Darwin/*)
 		LINKFORSHARED="$extra_undefs -framework CoreFoundation"
+
+		# Issue #18075: the default maximum stack size (8MBytes) is too
+		# small for the default recursion limit. Increase the stack size
+		# to ensure that tests don't crash
+		LINKFORSHARED="-Wl,-stack_size,1000000 $LINKFORSHARED"
+
 		if test "$enable_framework"
 		then
 			LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
diff --git a/configure.ac b/configure.ac
index 3d589ac2589..324ce0bd99a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2682,6 +2682,12 @@ then
 	# -u libsys_s pulls in all symbols in libsys
 	Darwin/*)
 		LINKFORSHARED="$extra_undefs -framework CoreFoundation"
+
+		# Issue #18075: the default maximum stack size (8MBytes) is too
+		# small for the default recursion limit. Increase the stack size
+		# to ensure that tests don't crash
+		LINKFORSHARED="-Wl,-stack_size,1000000 $LINKFORSHARED"
+
 		if test "$enable_framework"
 		then
 			LINKFORSHARED="$LINKFORSHARED "'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'