diff --git a/draftlogs/7231_remove.md b/draftlogs/7231_remove.md
new file mode 100644
index 00000000000..fdb6228765b
--- /dev/null
+++ b/draftlogs/7231_remove.md
@@ -0,0 +1 @@
+ - Drop deprecated plot3dPixelRatio from config [[#7231](https://github.com/plotly/plotly.js/pull/7231)]
diff --git a/src/plot_api/plot_api.js b/src/plot_api/plot_api.js
index ff5c0b62aa5..8a332b88d5d 100644
--- a/src/plot_api/plot_api.js
+++ b/src/plot_api/plot_api.js
@@ -452,11 +452,6 @@ function setPlotContext(gd, config) {
             }
         }
 
-        // map plot3dPixelRatio to plotGlPixelRatio for backward compatibility
-        if(config.plot3dPixelRatio && !context.plotGlPixelRatio) {
-            context.plotGlPixelRatio = context.plot3dPixelRatio;
-        }
-
         // now deal with editable and edits - first editable overrides
         // everything, then edits refines
         var editable = config.editable;
diff --git a/src/plot_api/plot_config.js b/src/plot_api/plot_config.js
index 0a1f5f9fca0..56ea308acae 100644
--- a/src/plot_api/plot_config.js
+++ b/src/plot_api/plot_config.js
@@ -350,9 +350,7 @@ var configAttributes = {
         min: 1,
         max: 4,
         description: [
-            'Set the pixel ratio during WebGL image export.',
-            'This config option was formerly named `plot3dPixelRatio`',
-            'which is now deprecated.'
+            'Set the pixel ratio during WebGL image export.'
         ].join(' ')
     },
 
diff --git a/test/plot-schema.json b/test/plot-schema.json
index 1fd64ae1281..5ee484e7217 100644
--- a/test/plot-schema.json
+++ b/test/plot-schema.json
@@ -272,7 +272,7 @@
    "valType": "integer"
   },
   "plotGlPixelRatio": {
-   "description": "Set the pixel ratio during WebGL image export. This config option was formerly named `plot3dPixelRatio` which is now deprecated.",
+   "description": "Set the pixel ratio during WebGL image export.",
    "dflt": 2,
    "max": 4,
    "min": 1,