diff --git a/support/testing/tests/package/test_z3.py b/support/testing/tests/package/test_z3.py
index 71b074a587..30794a250b 100644
--- a/support/testing/tests/package/test_z3.py
+++ b/support/testing/tests/package/test_z3.py
@@ -4,14 +4,8 @@ import infra.basetest
 
 
 class TestZ3(infra.basetest.BRTest):
-    # Need to use a different toolchain than the default due to
-    # z3 requiring fenv.h not provided by uclibc.
-    config = \
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
-        BR2_arm=y
-        BR2_TOOLCHAIN_EXTERNAL=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
-        BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV5_EABI_GLIBC_STABLE=y
         BR2_PACKAGE_PYTHON3=y
         BR2_PACKAGE_Z3=y
         BR2_PACKAGE_Z3_PYTHON=y