diff --git a/NifSkope.pro b/NifSkope.pro
index 89b8471f6410..8e136ddf44c6 100644
--- a/NifSkope.pro
+++ b/NifSkope.pro
@@ -17,7 +17,7 @@ contains(QT_VERSION, ^5\\.[0-6]\\..*) {
 CONFIG += c++14

 # Dependencies
-CONFIG += nvtristrip qhull zlib lz4 fsengine gli
+CONFIG += nvtristrip qhull lz4 fsengine gli

 # Debug/Release options
 CONFIG(debug, debug|release) {
@@ -345,14 +345,6 @@ gli {
     HEADERS += $$files($$PWD/lib/gli/external/glm/*.inl, true)
 }

-zlib {
-    !*msvc*:QMAKE_CFLAGS += -isystem ./lib/zlib
-    !*msvc*:QMAKE_CXXFLAGS += -isystem ./lib/zlib
-    else:INCLUDEPATH += lib/zlib
-    HEADERS += $$files($$PWD/lib/zlib/*.h, false)
-    SOURCES += $$files($$PWD/lib/zlib/*.c, false)
-}
-
 lz4 {
     DEFINES += LZ4_STATIC XXH_PRIVATE_API

@@ -442,6 +434,10 @@ win32 {
     LIBS += -lopengl32 -lglu32
 }

+unix {
+  LIBS += -lz
+}
+
 unix:!macx {
 	LIBS += -lGLU
 }
