1 files changed, 1 insertions, 1 deletions
diff --git a/run_tests.py b/run_tests.py
index f747b66..60097a8 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -233,7 +233,7 @@ def ensure_backend_detects_changes(backend):
     # timestamps and not running on HFS+ which only stores dates in seconds:
     # https://developer.apple.com/legacy/library/technotes/tn/tn1150.html#HFSPlusDates
     # FIXME: Upgrade Travis image to Apple FS when that becomes available
-    if (NINJA_1_9_OR_NEWER or ('MESON_FIXED_NINJA' in os.environ)) and not mesonlib.is_osx():
+    if NINJA_1_9_OR_NEWER and not mesonlib.is_osx():
         return
     # This is needed to increase the difference between build.ninja's
     # timestamp and the timestamp of whatever you changed due to a Ninja