diff --git a/src/userfunc.c b/src/userfunc.c
index dcf8034..0c898ef 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -292,10 +292,10 @@
 
 	sprintf((char*)name, "<lambda>%d", ++lambda_no);
 
-	fp = (ufunc_T *)alloc_clear((unsigned)(sizeof(ufunc_T) + STRLEN(name)));
+	fp = (ufunc_T *)alloc_clear(sizeof(ufunc_T) + STRLEN(name));
 	if (fp == NULL)
 	    goto errret;
-	pt = (partial_T *)alloc_clear((unsigned)sizeof(partial_T));
+	pt = (partial_T *)alloc_clear(sizeof(partial_T));
 	if (pt == NULL)
 	    goto errret;
 
@@ -2580,7 +2580,7 @@
 	    }
 	}
 
-	fp = (ufunc_T *)alloc_clear((unsigned)(sizeof(ufunc_T) + STRLEN(name)));
+	fp = (ufunc_T *)alloc_clear(sizeof(ufunc_T) + STRLEN(name));
 	if (fp == NULL)
 	    goto erret;
 
@@ -2751,14 +2751,13 @@
 	profile_zero(&fp->uf_tm_self);
 	profile_zero(&fp->uf_tm_total);
 	if (fp->uf_tml_count == NULL)
-	    fp->uf_tml_count = (int *)alloc_clear(
-					       (unsigned)(sizeof(int) * len));
+	    fp->uf_tml_count = (int *)alloc_clear(sizeof(int) * len);
 	if (fp->uf_tml_total == NULL)
 	    fp->uf_tml_total = (proftime_T *)alloc_clear(
-					 (unsigned)(sizeof(proftime_T) * len));
+						     sizeof(proftime_T) * len);
 	if (fp->uf_tml_self == NULL)
 	    fp->uf_tml_self = (proftime_T *)alloc_clear(
-					 (unsigned)(sizeof(proftime_T) * len));
+						     sizeof(proftime_T) * len);
 	fp->uf_tml_idx = -1;
 	if (fp->uf_tml_count == NULL || fp->uf_tml_total == NULL
 						    || fp->uf_tml_self == NULL)