diff --git a/include/vecmat.h b/include/vecmat.h
index 9776cd5df..a32fbc772 100644
--- a/include/vecmat.h
+++ b/include/vecmat.h
@@ -405,12 +405,6 @@ vms_matrix * vm_vec_ang_2_matrix (vms_matrix * m, vms_vector * v, fixang a);
 //returns ptr to matrix
 vms_matrix * vm_vector_2_matrix (vms_matrix * m, vms_vector * fvec, vms_vector * uvec, vms_vector * rvec);
 
-
-//this version of vector_2_matrix requires that the vectors be more-or-less
-//normalized and close to perpendicular
-vms_matrix * vm_vector_2_matrix_norm (vms_matrix * m, vms_vector * fvec, vms_vector * uvec, vms_vector * rvec);
-
-
 //rotates a vector through a matrix. returns ptr to dest vector
 //dest CANNOT equal either source
 vms_vector * vm_vec_rotate (vms_vector * dest, const vms_vector * src, const vms_matrix * m);
diff --git a/maths/vecmat.c b/maths/vecmat.c
index af48060c3..20b5997b5 100644
--- a/maths/vecmat.c
+++ b/maths/vecmat.c
@@ -681,70 +681,6 @@ bad_vector2:
 }
 
 
-//quicker version of vm_vector_2_matrix() that takes normalized vectors
-vms_matrix *vm_vector_2_matrix_norm(vms_matrix *m,vms_vector *fvec,vms_vector *uvec,vms_vector *rvec)
-{
-	vms_vector *xvec=&m->rvec,*yvec=&m->uvec,*zvec=&m->fvec;
-
-	Assert(fvec != NULL);
-
-	if (uvec == NULL) {
-
-		if (rvec == NULL) {		//just forward vec
-
-bad_vector2:
-	;
-
-			if (zvec->x==0 && zvec->z==0) {		//forward vec is straight up or down
-
-				m->rvec.x = f1_0;
-				m->uvec.z = (zvec->y<0)?f1_0:-f1_0;
-
-				m->rvec.y = m->rvec.z = m->uvec.x = m->uvec.y = 0;
-			}
-			else { 		//not straight up or down
-
-				xvec->x = zvec->z;
-				xvec->y = 0;
-				xvec->z = -zvec->x;
-
-				vm_vec_normalize(xvec);
-
-				vm_vec_crossprod(yvec,zvec,xvec);
-
-			}
-
-		}
-		else {						//use right vec
-
-			vm_vec_crossprod(yvec,zvec,xvec);
-
-			//normalize new perpendicular vector
-			if (vm_vec_normalize(yvec) == 0)
-				goto bad_vector2;
-
-			//now recompute right vector, in case it wasn't entirely perpendiclar
-			vm_vec_crossprod(xvec,yvec,zvec);
-
-		}
-	}
-	else {		//use up vec
-
-		vm_vec_crossprod(xvec,yvec,zvec);
-		
-		//normalize new perpendicular vector
-		if (vm_vec_normalize(xvec) == 0)
-			goto bad_vector2;
-
-		//now recompute up vector, in case it wasn't entirely perpendiclar
-		vm_vec_crossprod(yvec,zvec,xvec);
-
-	}
-
-	return m;
-}
-
-
 //rotates a vector through a matrix. returns ptr to dest vector
 //dest CANNOT equal source
 vms_vector *vm_vec_rotate(vms_vector *dest,const vms_vector *src,const vms_matrix *m)