diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index d77f391..e613a21 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -21,7 +21,7 @@
     name: "generated_kernel_includes",
 
     // The headers make command
-    cmd: "$(KERNEL_MAKE_CMD) $(KERNEL_MAKE_FLAGS) -C $(TARGET_KERNEL_SOURCE) O=$(KERNEL_BUILD_OUT_PREFIX)$(genDir) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) headers_install",
+    cmd: "$(KERNEL_MAKE_CMD) $(KERNEL_MAKE_FLAGS) -C $(TARGET_KERNEL_SOURCE) O=$(KERNEL_BUILD_OUT_PREFIX)$(genDir) ARCH=$(KERNEL_ARCH) $(KERNEL_CROSS_COMPILE) headers_install && vendor/omni/tools/clean_headers.sh $(KERNEL_BUILD_OUT_PREFIX)$(genDir)",
 
     // Directories that can be imported by a cc_* module generated_headers property
     export_include_dirs: [
diff --git a/tools/clean_headers.sh b/tools/clean_headers.sh
new file mode 100755
index 0000000..627f646
--- /dev/null
+++ b/tools/clean_headers.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+set -eu
+
+export ANDROID_BUILD_TOP="$PWD"
+
+./bionic/libc/kernel/tools/clean_header.py -u \
+    "$1/usr/include/asm-generic/signal.h"