diff --git a/make/defs.mk b/make/defs.mk
index 64071de9..441ff003 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -169,11 +169,6 @@ EXPORT_PROJECT_LIB    ?= $(USE_PROJECT_LIB)
 USE_JW_BUILD            ?= true
 USE_EXCEPTIONS_IN_C   ?= true
 REENTRANT             ?= true
-ifneq ($(wildcard /usr/include/systemd/sd-daemon.h),)
-ifneq ($(TARGET),mingw)
-USE_SYSTEMD           ?= true
-endif
-endif
 
 export REENTRANT