diff --git a/src/gamelib/CMakeLists.txt b/src/gamelib/CMakeLists.txt
index ecd2670..9163fea 100644
--- a/src/gamelib/CMakeLists.txt
+++ b/src/gamelib/CMakeLists.txt
@@ -22,7 +22,6 @@ add_library(${PROJECT_NAME}
 	worldsizenotifiable.cpp
 	worlditems.cpp
 	moveable.cpp
-	fsgn.cpp
 	grid_raytrace.cpp
 )
 set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 14)
diff --git a/src/gamelib/fsgn.cpp b/src/gamelib/fsgn.cpp
deleted file mode 100644
index fb16340..0000000
--- a/src/gamelib/fsgn.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-	Copyright 2016, 2017 Michele "King_DuckZ" Santullo
-
-	This file is part of MyCurry.
-
-	MyCurry is free software: you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
-	(at your option) any later version.
-
-	MyCurry is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "fsgn.hpp"
-#include <cstdint>
-
-namespace curry {
-	//float fsgn (float parIn) {
-	//	if (parIn < 0.0f) return -1.0f;
-	//	if (parIn > 0.0f) return 1.0f;
-	//	return 0.0f;
-	//}
-
-	float fsgn (float parIn) {
-		static_assert(sizeof(uint32_t) == sizeof(float), "Unexpected float size");
-		union {
-			uint32_t i;
-			float f;
-		} in, r;
-
-		in.f = parIn;
-		if ((in.i & 0x7FFFFFFF) == 0) {
-			return 0.0f;
-		}
-		else {
-			r.f = 1.0f;
-			r.i |= in.i & 0x80000000;
-			return r.f;
-		}
-	}
-} //namespace curry
diff --git a/src/gamelib/fsgn.hpp b/src/gamelib/fsgn.hpp
deleted file mode 100644
index 28f3f76..0000000
--- a/src/gamelib/fsgn.hpp
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
-	Copyright 2016, 2017 Michele "King_DuckZ" Santullo
-
-	This file is part of MyCurry.
-
-	MyCurry is free software: you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
-	(at your option) any later version.
-
-	MyCurry is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with MyCurry.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#pragma once
-
-namespace curry {
-	float fsgn (float parIn);
-} //namespace curry
diff --git a/src/gamelib/grid_raytrace.cpp b/src/gamelib/grid_raytrace.cpp
index cb2615f..8273fde 100644
--- a/src/gamelib/grid_raytrace.cpp
+++ b/src/gamelib/grid_raytrace.cpp
@@ -20,7 +20,6 @@
 #include "grid_raytrace.hpp"
 #include "worldgrid.hpp"
 #include "vectorwrapper/vectorops.hpp"
-#include "fsgn.hpp"
 #include "tileproperty.hpp"
 #include <cassert>
 #include <ciso646>