diff --git a/src/spellfile.c b/src/spellfile.c
index 06cf1bc..0a16514 100644
--- a/src/spellfile.c
+++ b/src/spellfile.c
@@ -892,8 +892,7 @@
     if (cnt <= 0)
 	return SP_FORMERROR;
 
-    lp->sl_prefprog = (regprog_T **)alloc_clear(
-					 (unsigned)sizeof(regprog_T *) * cnt);
+    lp->sl_prefprog = (regprog_T **)alloc_clear(sizeof(regprog_T *) * cnt);
     if (lp->sl_prefprog == NULL)
 	return SP_OTHERERROR;
     lp->sl_prefixcnt = cnt;
@@ -1580,13 +1579,13 @@
     if (len > 0)
     {
 	/* Allocate the byte array. */
-	bp = lalloc((long_u)len, TRUE);
+	bp = alloc(len);
 	if (bp == NULL)
 	    return SP_OTHERERROR;
 	*bytsp = bp;
 
 	/* Allocate the index array. */
-	ip = (idx_T *)lalloc_clear((long_u)(len * sizeof(int)), TRUE);
+	ip = (idx_T *)lalloc_clear(len * sizeof(int), TRUE);
 	if (ip == NULL)
 	    return SP_OTHERERROR;
 	*idxsp = ip;
@@ -4272,8 +4271,7 @@
 	    bl = NULL;
 	else
 	    /* Allocate a block of memory. It is not freed until much later. */
-	    bl = (sblock_T *)alloc_clear(
-				   (unsigned)(sizeof(sblock_T) + SBLOCKSIZE));
+	    bl = (sblock_T *)alloc_clear(sizeof(sblock_T) + SBLOCKSIZE);
 	if (bl == NULL)
 	{
 	    if (!spin->si_did_emsg)