diff --git a/hw/kdrive/ephyr/hostx.c b/hw/kdrive/ephyr/hostx.c
index 7fcca5ce0..1fb3b9d7b 100644
--- a/hw/kdrive/ephyr/hostx.c
+++ b/hw/kdrive/ephyr/hostx.c
@@ -939,7 +939,7 @@ hostx_screen_init(KdScreenInfo *screen,
             scrpriv->ximg->byte_order = IMAGE_BYTE_ORDER;
 
         scrpriv->ximg->data =
-            xallocarray(scrpriv->ximg->stride, buffer_height);
+            calloc(scrpriv->ximg->stride, buffer_height);
     }
 
     if (!HostX.size_set_from_configure)
@@ -1008,7 +1008,7 @@ hostx_screen_init(KdScreenInfo *screen,
         *bits_per_pixel = scrpriv->server_depth;
 
         EPHYR_DBG("server bpp %i", bytes_per_pixel);
-        scrpriv->fb_data = xallocarray (stride, buffer_height);
+        scrpriv->fb_data = calloc(stride, buffer_height);
         return scrpriv->fb_data;
     }
 }
diff --git a/hw/kdrive/src/kshadow.c b/hw/kdrive/src/kshadow.c
index 292a03321..ef0dd99dd 100644
--- a/hw/kdrive/src/kshadow.c
+++ b/hw/kdrive/src/kshadow.c
@@ -34,7 +34,7 @@ KdShadowFbAlloc(KdScreenInfo * screen, Bool rotate)
 
     /* use fb computation for width */
     paddedWidth = ((width * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
-    buf = xallocarray(paddedWidth, height);
+    buf = calloc(paddedWidth, height);
     if (!buf)
         return FALSE;
     if (screen->fb.shadow)