diff --git a/src/sxhash.c b/src/sxhash.c
index 1073635..bcd3550 100644
--- a/src/sxhash.c
+++ b/src/sxhash.c
@@ -111,14 +111,11 @@ static unsigned short sxhash(LispPTR obj) {
   }
 }
 
-#ifndef SUN3_OS3_OR_OS4_IL
 /* Rotates the 16-bit work to the left 7 bits (or to the right 9 bits) */
 static unsigned short sxhash_rotate(short unsigned int value) {
   return ((value << 7) | ((value >> 9) & 0x7f));
 }
 
-#endif
-
 static unsigned short sxhash_string(OneDArray *obj) {
   unsigned len, offset;
   register unsigned short hash = 0;