diff --git a/src/LuaLib.ts b/src/LuaLib.ts
index 2ab5d33ba..4e4c8008a 100644
--- a/src/LuaLib.ts
+++ b/src/LuaLib.ts
@@ -52,7 +52,6 @@ export enum LuaLibFeature {
     MathAtan2 = "MathAtan2",
     MathModf = "MathModf",
     MathSign = "MathSign",
-    Modulo50 = "Modulo50",
     New = "New",
     Number = "Number",
     NumberIsFinite = "NumberIsFinite",
diff --git a/src/lualib/Modulo50.ts b/src/lualib/Modulo50.ts
deleted file mode 100644
index 4b9729436..000000000
--- a/src/lualib/Modulo50.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-/** @noSelfInFile */
-
-export function __TS__Modulo50(a: number, b: number): number {
-    return a - Math.floor(a / b) * b;
-}
diff --git a/src/transformation/visitors/binary-expression/index.ts b/src/transformation/visitors/binary-expression/index.ts
index 3b5521490..e02615be7 100644
--- a/src/transformation/visitors/binary-expression/index.ts
+++ b/src/transformation/visitors/binary-expression/index.ts
@@ -70,7 +70,8 @@ function transformBinaryOperationWithNoPrecedingStatements(
     }
 
     if (operator === ts.SyntaxKind.PercentToken && context.luaTarget === LuaTarget.Lua50) {
-        return transformLuaLibFunction(context, LuaLibFeature.Modulo50, node, left, right);
+        const mathMod = lua.createTableIndexExpression(lua.createIdentifier("math"), lua.createStringLiteral("mod"));
+        return lua.createCallExpression(mathMod, [left, right], node);
     }
 
     let luaOperator = simpleOperatorsToLua[operator];