diff --git a/libc/arch-arm/krait/krait.mk b/libc/arch-arm/krait/krait.mk
index 88b4d66..f8e3452 100644
--- a/libc/arch-arm/krait/krait.mk
+++ b/libc/arch-arm/krait/krait.mk
@@ -1,3 +1,18 @@
+libc_openbsd_src_files_exclude_arm += \
+    upstream-openbsd/lib/libc/string/memmove.c \
+    upstream-openbsd/lib/libc/string/stpcpy.c \
+    upstream-openbsd/lib/libc/string/stpcpy.c \
+    upstream-openbsd/lib/libc/string/strcat.c \
+
+libc_bionic_src_files_exclude_arm += \
+    arch-arm/generic/bionic/memcpy.S \
+    arch-arm/generic/bionic/memset.S \
+    arch-arm/generic/bionic/strcmp.S \
+    arch-arm/generic/bionic/strcpy.S \
+    arch-arm/generic/bionic/strlen.c \
+    bionic/__strcat_chk.cpp \
+    bionic/__strcpy_chk.cpp \
+
 libc_bionic_src_files_arm += \
     arch-arm/krait/bionic/memcpy.S \
     arch-arm/krait/bionic/memset.S \
@@ -13,7 +28,4 @@
     arch-arm/cortex-a15/bionic/strlen.S \
 
 libc_bionic_src_files_arm += \
-    arch-arm/generic/bionic/memcmp.S \
-
-libc_bionic_src_files_arm += \
     arch-arm/denver/bionic/memmove.S \