diff --git a/source/core/gameinput.cpp b/source/core/gameinput.cpp
index e31dc4b9889..f40292ad51f 100644
--- a/source/core/gameinput.cpp
+++ b/source/core/gameinput.cpp
@@ -536,17 +536,3 @@ FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerHorizon& w,
 	}
 	return arc;
 }
-
-FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerPosition& w, PlayerPosition* def)
-{
-	if (arc.BeginObject(keyname))
-	{
-		arc("pos", w.pos).EndObject();
-
-		if (arc.isReading())
-		{
-			w.opos = w.pos;
-		}
-	}
-	return arc;
-}
diff --git a/source/core/gameinput.h b/source/core/gameinput.h
index ea98563cfb7..5bcf5fc16a0 100644
--- a/source/core/gameinput.h
+++ b/source/core/gameinput.h
@@ -250,45 +250,9 @@ struct PlayerAngle
 	bool inputdisabled;
 };
 
-struct PlayerPosition
-{
-	vec3_t pos, opos;
-
-	// Interpolation helpers.
-	void backupx() { opos.X = pos.X; }
-	void backupy() { opos.Y = pos.Y; }
-	void backupz() { opos.Z = pos.Z; }
-	void backuppos() { opos = pos; }
-
-	// Interpolated points.
-	int32_t interpolatedx(double const smoothratio, int const scale = 16) { return interpolatedvalue(opos.X, pos.X, smoothratio, scale); }
-	int32_t interpolatedy(double const smoothratio, int const scale = 16) { return interpolatedvalue(opos.Y, pos.Y, smoothratio, scale); }
-	int32_t interpolatedz(double const smoothratio, int const scale = 16) { return interpolatedvalue(opos.Z, pos.Z, smoothratio, scale); }
-
-	// Interpolated vectors.
-	vec2_t interpolatedvec2(double const smoothratio, int const scale = 16)
-	{
-		return
-		{
-			interpolatedx(smoothratio, scale),
-			interpolatedy(smoothratio, scale)
-		};
-	}
-	vec3_t interpolatedvec3(double const smoothratio, int const scale = 16)
-	{
-		return
-		{
-			interpolatedx(smoothratio, scale),
-			interpolatedy(smoothratio, scale),
-			interpolatedz(smoothratio, scale)
-		};
-	}
-};
-
 class FSerializer;
 FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerAngle& w, PlayerAngle* def);
 FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerHorizon& w, PlayerHorizon* def);
-FSerializer& Serialize(FSerializer& arc, const char* keyname, PlayerPosition& w, PlayerPosition* def);
 
 
 void updateTurnHeldAmt(double const scaleAdjust);