diff --git a/src/evalfunc.c b/src/evalfunc.c
index 8ce8c87..4b9b4ed 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2977,7 +2977,7 @@
 	    pt = argvars[0].vval.v_partial;
 	else
 	{
-	    vim_memset(&fref_pt, 0, sizeof(fref_pt));
+	    CLEAR_FIELD(fref_pt);
 	    fref_pt.pt_name = argvars[0].vval.v_string;
 	    pt = &fref_pt;
 	}
@@ -6530,7 +6530,7 @@
     }
 
     pos = save_cursor = curwin->w_cursor;
-    vim_memset(&sia, 0, sizeof(sia));
+    CLEAR_FIELD(sia);
     sia.sa_stop_lnum = (linenr_T)lnum_stop;
 #ifdef FEAT_RELTIME
     sia.sa_tm = &tm;
@@ -6978,7 +6978,7 @@
     {
 	searchit_arg_T sia;
 
-	vim_memset(&sia, 0, sizeof(sia));
+	CLEAR_FIELD(sia);
 	sia.sa_stop_lnum = lnum_stop;
 #ifdef FEAT_RELTIME
 	sia.sa_tm = &tm;
@@ -8401,7 +8401,7 @@
     lnum = tv_get_lnum(argvars);		// -1 on type error
     col = (colnr_T)tv_get_number(&argvars[1]) - 1;	// -1 on type error
 
-    vim_memset(str, NUL, sizeof(str));
+    CLEAR_FIELD(str);
 
     if (rettv_list_alloc(rettv) != FAIL)
     {