diff --git a/docs/config/setup/modules/defaultConfig.md b/docs/config/setup/modules/defaultConfig.md
index fdf0afde5b..0a3e158556 100644
--- a/docs/config/setup/modules/defaultConfig.md
+++ b/docs/config/setup/modules/defaultConfig.md
@@ -14,7 +14,7 @@
 
 #### Defined in
 
-[packages/mermaid/src/defaultConfig.ts:272](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L272)
+[packages/mermaid/src/defaultConfig.ts:266](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/defaultConfig.ts#L266)
 
 ---
 
diff --git a/packages/mermaid/src/defaultConfig.ts b/packages/mermaid/src/defaultConfig.ts
index b0c31c8945..97f3e0bb1a 100644
--- a/packages/mermaid/src/defaultConfig.ts
+++ b/packages/mermaid/src/defaultConfig.ts
@@ -248,12 +248,6 @@ const config: RequiredDeep<MermaidConfig> = {
     ...defaultConfigJson.requirement,
     useWidth: undefined,
   },
-  sankey: {
-    ...defaultConfigJson.sankey,
-    // this is false, unlike every other diagram (other than gitGraph)
-    // TODO: can we make this default to `true` instead?
-    useMaxWidth: false,
-  },
   packet: {
     ...defaultConfigJson.packet,
   },