diff --git a/scripts/pylib/twister/twisterlib.py b/scripts/pylib/twister/twisterlib.py
index 2e138e85b41..ed1eb20bade 100644
--- a/scripts/pylib/twister/twisterlib.py
+++ b/scripts/pylib/twister/twisterlib.py
@@ -2809,13 +2809,7 @@ class TestSuite(DisablePyTestCollectionMixin):
 
     @staticmethod
     def get_toolchain():
-        toolchain = os.environ.get("ZEPHYR_TOOLCHAIN_VARIANT", None) or \
-                    os.environ.get("ZEPHYR_GCC_VARIANT", None)
-
-        if toolchain == "gccarmemb":
-            # Remove this translation when gccarmemb is no longer supported.
-            toolchain = "gnuarmemb"
-
+        toolchain = os.environ.get("ZEPHYR_TOOLCHAIN_VARIANT", None)
         try:
             if not toolchain:
                 raise TwisterRuntimeError("E: Variable ZEPHYR_TOOLCHAIN_VARIANT is not defined")