diff --git a/third-party/fdlibm/s_asin.c b/third-party/fdlibm/s_asin.c
index 1802e410a..0d29c50d1 100644
--- a/third-party/fdlibm/s_asin.c
+++ b/third-party/fdlibm/s_asin.c
@@ -63,7 +63,7 @@
 double
 asin (double x)
 {
-  double t = 0, w, p, q, c, r, s;
+  double t, w, p, q, c, r, s;
   int hx, ix;
 
   hx = __HI (x);
@@ -85,10 +85,7 @@ asin (double x)
         return x;
       }
     }
-    else
-    {
-      t = x * x;
-    }
+    t = x * x;
     p = t * (pS0 + t * (pS1 + t * (pS2 + t * (pS3 + t * (pS4 + t * pS5)))));
     q = one + t * (qS1 + t * (qS2 + t * (qS3 + t * qS4)));
     w = p / q;