diff --git a/depends/packages/bdb.mk b/depends/packages/bdb.mk
index 9f5a925015b..1a21238152a 100644
--- a/depends/packages/bdb.mk
+++ b/depends/packages/bdb.mk
@@ -17,7 +17,6 @@ $(package)_config_opts_android=--with-pic
 $(package)_cflags+=-Wno-error=implicit-function-declaration -Wno-error=format-security -Wno-error=implicit-int
 $(package)_cppflags_freebsd=-D_XOPEN_SOURCE=600 -D__BSD_VISIBLE=1
 $(package)_cppflags_netbsd=-D_XOPEN_SOURCE=600
-$(package)_cppflags_openbsd=-D_XOPEN_SOURCE=600
 $(package)_cppflags_mingw32=-DUNICODE -D_UNICODE
 endef