diff --git a/NEWS.md b/NEWS.md
index d38fbc670d..1419f620be 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,7 @@
 # ggplot2 (development version)
 
+* Turned off fallback for `size` to `linewidth` translation in 
+  `geom_bar()`/`geom_col()` (#4848).
 * `coord_radial()` now displays no axis instead of throwing an error when
   a scale has no breaks (@teunbrand, #6271).
 * The `fatten` argument has been deprecated in `geom_boxplot()`, 
diff --git a/R/geom-bar.R b/R/geom-bar.R
index 19c86dfbb1..b0901502d9 100644
--- a/R/geom-bar.R
+++ b/R/geom-bar.R
@@ -155,5 +155,5 @@ GeomBar <- ggproto("GeomBar", GeomRect,
     flip_data(data, params$flipped_aes)
   },
 
-  rename_size = TRUE
+  rename_size = FALSE
 )