diff --git a/src/lua_mathlib.c b/src/lua_mathlib.c
index 215903278..794f90f1f 100644
--- a/src/lua_mathlib.c
+++ b/src/lua_mathlib.c
@@ -113,7 +113,8 @@ static int lib_fixeddiv(lua_State *L)
 
 static int lib_fixedrem(lua_State *L)
 {
-	lua_pushfixed(L, FixedRem(luaL_checkfixed(L, 1), luaL_checkfixed(L, 2)));
+	LUA_Deprecated(L, "FixedRem(a, b)", "a % b");
+	lua_pushfixed(L, luaL_checkfixed(L, 1) % luaL_checkfixed(L, 2));
 	return 1;
 }
 
diff --git a/src/m_fixed.h b/src/m_fixed.h
index cc54c1aea..289ca442a 100644
--- a/src/m_fixed.h
+++ b/src/m_fixed.h
@@ -204,18 +204,6 @@ FUNCMATH FUNCINLINE static ATTRINLINE fixed_t FixedDiv(fixed_t a, fixed_t b)
 	return FixedDiv2(a, b);
 }
 
-/**	\brief	The FixedRem function
-
-	\param	x	fixed_t number
-	\param	y	fixed_t number
-
-	\return	 remainder of dividing x by y
-*/
-FUNCMATH FUNCINLINE static ATTRINLINE fixed_t FixedRem(fixed_t x, fixed_t y)
-{
-	return x % y;
-}
-
 /**	\brief	The FixedSqrt function
 
 	\param	x	fixed_t number
diff --git a/src/tables.c b/src/tables.c
index 00424db22..70a1ecd0a 100644
--- a/src/tables.c
+++ b/src/tables.c
@@ -72,7 +72,7 @@ static FUNCMATH angle_t AngleAdj(const fixed_t fa, const fixed_t wf,
 	const angle_t adj = 0x77;
 	const boolean fan = fa < 0;
 	const fixed_t sl = FixedDiv(fa, wf*2);
-	const fixed_t lb = FixedRem(fa, wf*2);
+	const fixed_t lb = fa % (wf*2);
 	const fixed_t lo = (wf*2)-lb;
 
 	if (ra == 0)