diff --git a/Shaders/deferred_light/deferred_light.frag.glsl b/Shaders/deferred_light/deferred_light.frag.glsl
index b94d1041..898898e3 100644
--- a/Shaders/deferred_light/deferred_light.frag.glsl
+++ b/Shaders/deferred_light/deferred_light.frag.glsl
@@ -13,7 +13,7 @@ precision mediump float;
 #ifdef _VoxelGIDirect
 	#include "../std/conetrace.glsl"
 #endif
-#ifdef _PolyLight
+#ifdef _LTC
 	#include "../std/ltc.glsl"
 #endif
 #ifndef _NoShadows
@@ -67,7 +67,7 @@ uniform int lightType;
 uniform int lightShadow;
 uniform float shadowsBias;
 uniform vec2 spotlightData;
-#ifdef _PolyLight
+#ifdef _LTC
 	uniform vec3 lampArea0;
 	uniform vec3 lampArea1;
 	uniform vec3 lampArea2;
@@ -173,7 +173,7 @@ void main() {
 	float facspec = min(metrough.x * 3.0, 1.0);
 #endif
 
-#ifdef _PolyLight
+#ifdef _LTC
 	if (lightType == 3) { // Area
 		float theta = acos(dotNV);
 		vec2 tuv = vec2(metrough.y, theta / (0.5 * PI));
@@ -217,7 +217,7 @@ void main() {
 #endif
 #endif
 
-#ifdef _PolyLight
+#ifdef _LTC
 	}
 #endif
 	
diff --git a/Shaders/deferred_light/deferred_light.json b/Shaders/deferred_light/deferred_light.json
index 7c74f4b9..4f950442 100755
--- a/Shaders/deferred_light/deferred_light.json
+++ b/Shaders/deferred_light/deferred_light.json
@@ -67,32 +67,32 @@
 				{
 					"name": "lampArea0",
 					"link": "_lampArea0",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "lampArea1",
 					"link": "_lampArea1",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "lampArea2",
 					"link": "_lampArea2",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "lampArea3",
 					"link": "_lampArea3",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "sltcMat",
 					"link": "_ltcMat",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "sltcMag",
 					"link": "_ltcMag",
-					"ifdef": ["_PolyLight"]
+					"ifdef": ["_LTC"]
 				},
 				{
 					"name": "eye",
diff --git a/Sources/armory/object/Uniforms.hx b/Sources/armory/object/Uniforms.hx
index 9bbb2e81..935d3e0f 100644
--- a/Sources/armory/object/Uniforms.hx
+++ b/Sources/armory/object/Uniforms.hx
@@ -19,6 +19,7 @@ class Uniforms {
 		else if (tulink == "_smaaArea") {
 			return Scene.active.embedded.get('smaa_area.png');
 		}
+		#if arm_ltc
 		else if (tulink == "_ltcMat") {
 			if (armory.data.ConstData.ltcMatTex == null) armory.data.ConstData.initLTC();
 			return armory.data.ConstData.ltcMatTex;
@@ -27,6 +28,7 @@ class Uniforms {
 			if (armory.data.ConstData.ltcMagTex == null) armory.data.ConstData.initLTC();
 			return armory.data.ConstData.ltcMagTex;
 		}
+		#end
 		else if (tulink == "_lensTexture") {
 			return Scene.active.embedded.get('lenstexture.jpg');
 		}
@@ -38,6 +40,7 @@ class Uniforms {
 
 	public static function externalVec3Link(clink:String):iron.math.Vec4 {
 		var v:Vec4 = null;
+		#if arm_hosek
 		if (clink == "_hosekA") {
 			if (armory.renderpath.HosekWilkie.data == null) {
 				armory.renderpath.HosekWilkie.init(Scene.active.world);
@@ -128,6 +131,7 @@ class Uniforms {
 			v.y = armory.renderpath.HosekWilkie.data.Z.y;
 			v.z = armory.renderpath.HosekWilkie.data.Z.z;
 		}
+		#end
 		return v;
 	}
 
diff --git a/blender/arm/make_world.py b/blender/arm/make_world.py
index f6daa7c4..bd647d3a 100755
--- a/blender/arm/make_world.py
+++ b/blender/arm/make_world.py
@@ -175,7 +175,8 @@ def build_node_tree(world):
     # Area lamps
     for lamp in bpy.data.lamps:
         if lamp.type == 'AREA':
-            wrd.world_defs += '_PolyLight'
+            wrd.world_defs += '_LTC'
+            assets.add_khafile_def('arm_ltc')
             break
 
     # Data will be written after render path has been processed to gather all defines
@@ -354,6 +355,7 @@ def parse_color(world, node, context, envmap_strength_const):
         envmap_strength_const['float'] *= 0.1
         
         wrd.world_defs += '_EnvSky'
+        assets.add_khafile_def('arm_hosek')
         # Append sky properties to material
         const = {}
         const['name'] = 'sunDirection'
diff --git a/blender/arm/material/make_mesh.py b/blender/arm/material/make_mesh.py
index f8ce6a12..e70bf741 100644
--- a/blender/arm/material/make_mesh.py
+++ b/blender/arm/material/make_mesh.py
@@ -645,7 +645,7 @@ def make_forward_base(con_mesh, parse_opacity=False):
     frag.write('vec3 f0 = surfaceF0(basecol, metallic);')
     frag.write('vec3 direct;')
 
-    if '_PolyLight' in wrd.world_defs:
+    if '_LTC' in wrd.world_defs:
         frag.add_include('../../Shaders/std/ltc.glsl')
         frag.add_uniform('sampler2D sltcMat', link='_ltcMat')
         frag.add_uniform('sampler2D sltcMag', link='_ltcMag')
@@ -670,7 +670,7 @@ def make_forward_base(con_mesh, parse_opacity=False):
     frag.write('direct = lambertDiffuseBRDF(albedo, dotNL);')
     frag.write('direct += specularBRDF(f0, roughness, dotNL, dotNH, dotNV, dotVH);')
 
-    if '_PolyLight' in wrd.world_defs:
+    if '_LTC' in wrd.world_defs:
         frag.write('}')
         frag.tab -= 1
 
diff --git a/blender/arm/material/make_voxel.py b/blender/arm/material/make_voxel.py
index eab506af..147e7d72 100644
--- a/blender/arm/material/make_voxel.py
+++ b/blender/arm/material/make_voxel.py
@@ -82,7 +82,7 @@ def make_gi(context_id):
     # frag.write('    }')
     # frag.write('}')
 
-    # if '_PolyLight' in wrd.world_defs:
+    # if '_LTC' in wrd.world_defs:
     #     frag.add_include('../../Shaders/std/ltc.glsl')
     #     frag.add_uniform('sampler2D sltcMat', link='_ltcMat')
     #     frag.add_uniform('sampler2D sltcMag', link='_ltcMag')