diff --git a/build.ninja b/build.ninja
index 369fa50..ddc17ea 100644
--- a/build.ninja
+++ b/build.ninja
@@ -9,7 +9,6 @@
 subninja build/clang.native
 subninja build/clang.portable
 subninja build/clang.tiny
-subninja build/clang.tsan
 subninja build/clang.xsan
 
 subninja build/gcc
diff --git a/build/clang.tsan b/build/clang.tsan
deleted file mode 100644
index 258934b..0000000
--- a/build/clang.tsan
+++ /dev/null
@@ -1,4 +0,0 @@
-mode          = .tsan
-extra_cflags  = -fsanitize=thread
-extra_ldflags = -fsanitize=thread
-include build/clang