diff --git a/NEWS.md b/NEWS.md
index fa734987ce..1b4dc36ba0 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,7 @@
 # ggplot2 (development version)
 
+* Fixed spurious warning when `weight` aesthetic was used in `stat_smooth()` 
+  (@teunbrand based on @clauswilke's suggestion, #5053).
 * The `lwd` alias now correctly replaced by `linewidth` instead of `size` 
   (@teunbrand based on @clauswilke's suggestion #5051).
 
diff --git a/R/stat-smooth.r b/R/stat-smooth.r
index aad4dccf91..a6366f08ee 100644
--- a/R/stat-smooth.r
+++ b/R/stat-smooth.r
@@ -182,5 +182,7 @@ StatSmooth <- ggproto("StatSmooth", Stat,
     flip_data(prediction, flipped_aes)
   },
 
+  dropped_aes = c("weight"),
+
   required_aes = c("x", "y")
 )