diff --git a/core/clang/config.mk b/core/clang/config.mk
index e1ad3ceb20..cb0a7907e2 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -90,7 +90,6 @@ CLANG_CONFIG_UNKNOWN_CFLAGS := \
   -Wunused-but-set-parameter \
   -Wunused-but-set-variable \
   -fdiagnostics-color \
-  -fdebug-prefix-map=/proc/self/cwd=
 
 # Clang flags for all host rules
 CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=