diff --git a/LibBSP/Source/Extensions/ColorExtensions.cs b/LibBSP/Source/Extensions/ColorExtensions.cs
index 6aa4fa3..3ed74f6 100644
--- a/LibBSP/Source/Extensions/ColorExtensions.cs
+++ b/LibBSP/Source/Extensions/ColorExtensions.cs
@@ -1,4 +1,4 @@
-#if UNITY_2_6 || UNITY_2_6_1 || UNITY_3_0 || UNITY_3_0_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
+#if UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
 #define UNITY
 #endif
 
diff --git a/LibBSP/Source/Extensions/PlaneExtensions.cs b/LibBSP/Source/Extensions/PlaneExtensions.cs
index 58766d7..5a1dc28 100644
--- a/LibBSP/Source/Extensions/PlaneExtensions.cs
+++ b/LibBSP/Source/Extensions/PlaneExtensions.cs
@@ -1,4 +1,4 @@
-#if UNITY_2_6 || UNITY_2_6_1 || UNITY_3_0 || UNITY_3_0_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
+#if UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
 #define UNITY
 #endif
 
diff --git a/LibBSP/Source/Extensions/VertexExtensions.cs b/LibBSP/Source/Extensions/VertexExtensions.cs
index 30e916e..d1fccfd 100644
--- a/LibBSP/Source/Extensions/VertexExtensions.cs
+++ b/LibBSP/Source/Extensions/VertexExtensions.cs
@@ -1,4 +1,4 @@
-#if UNITY_2_6 || UNITY_2_6_1 || UNITY_3_0 || UNITY_3_0_0 || UNITY_3_1 || UNITY_3_2 || UNITY_3_3 || UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
+#if UNITY_3_4 || UNITY_3_5 || UNITY_4_0 || UNITY_4_0_1 || UNITY_4_2 || UNITY_4_3 || UNITY_4_5 || UNITY_4_6 || UNITY_5 || UNITY_5_3_OR_NEWER
 #define UNITY
 #if !UNITY_5_6_OR_NEWER
 #define OLDUNITY