diff --git a/common/changes/office-ui-fabric-react/malozano-CalloutBorderWidth_2018-02-13-23-13.json b/common/changes/office-ui-fabric-react/malozano-CalloutBorderWidth_2018-02-13-23-13.json
new file mode 100644
index 00000000000000..f937fb91eb768b
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/malozano-CalloutBorderWidth_2018-02-13-23-13.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "CalloutContent: Remove calloutWidth from calloutMain ",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "malozano@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Callout/CalloutContent.styles.ts b/packages/office-ui-fabric-react/src/components/Callout/CalloutContent.styles.ts
index c0019c4e59e513..c648133fe05fae 100644
--- a/packages/office-ui-fabric-react/src/components/Callout/CalloutContent.styles.ts
+++ b/packages/office-ui-fabric-react/src/components/Callout/CalloutContent.styles.ts
@@ -113,7 +113,6 @@ export const getStyles = (props: ICalloutContentStyleProps): ICalloutContentStyl
         position: 'relative',
         maxHeight: contentMaxHeight
       },
-      !!calloutWidth && { width: calloutWidth },
       overflowYHidden && {
         overflowY: 'hidden'
       },