diff --git a/wrappers/Lua/Makefile b/wrappers/Lua/Makefile
index 5d248cb6..863c3888 100644
--- a/wrappers/Lua/Makefile
+++ b/wrappers/Lua/Makefile
@@ -1,16 +1,10 @@
 include lualib.mk
 
 COOLPROP_CFLAGS  ?= $(shell $(PKGCONFIG) --cflags CoolProp)
-COOLPROP_LDFLAGS ?= $(shell $(PKGCONFIG) --libs-only-L CoolProp)
-COOLPROP_LDLIBS  ?= $(or $(shell $(PKGCONFIG) --libs-only-l CoolProp), -lCoolProp)
-COOLPROP_INCDIR  ?= $(shell $(PKGCONFIG) --variable=includedir CoolProp)
-COOLPROP_LIBDIR  ?= $(shell $(PKGCONFIG) --variable=libdir CoolProp)
-COOLPROP_HEADER  ?= $(or $(COOLPROP_INCDIR)
 
 CFLAGS       ?= -g -O2 -Wall -Wextra -Wswitch-enum -Wwrite-strings -Wshadow
 XCFLAGS      += -std=c99 -pedantic-errors -fPIC
 XCFLAGS      += $(LUA_CFLAGS) $(COOLPROP_CFLAGS)
-XLDFLAGS     += $(GUMBO_LDFLAGS) $(COOLPROP_LDLIBS)
 
 all: coolprop/capi.so