diff --git a/src/traces/splom/attributes.js b/src/traces/splom/attributes.js
index 2612b416576..e186fd74c98 100644
--- a/src/traces/splom/attributes.js
+++ b/src/traces/splom/attributes.js
@@ -72,23 +72,6 @@ module.exports = {
     line: scatterGlAttrs.line,
     connectgaps: scatterGlAttrs.connectgaps,
 
-    xdirection: {
-        valType: 'enumerated',
-        values: ['right', 'left'],
-        dflt: 'right',
-        role: 'info',
-        editType: 'plot',
-        description: ''
-    },
-    ydirection: {
-        valType: 'enumerated',
-        values: ['top', 'bottom'],
-        dflt: 'bottom',
-        role: 'info',
-        editType: 'plot',
-        description: ''
-    },
-
     xaxes: makeAxesValObject('x'),
     yaxes: makeAxesValObject('y'),
 
diff --git a/src/traces/splom/defaults.js b/src/traces/splom/defaults.js
index 0a1b3e400a4..690d4b321d7 100644
--- a/src/traces/splom/defaults.js
+++ b/src/traces/splom/defaults.js
@@ -47,10 +47,6 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
         coerce('marker.line.width', isOpen || isBubble ? 1 : 0);
     }
 
-    // TODO not implemented yet
-    coerce('xdirection');
-    coerce('ydirection');
-
     handleAxisDefaults(traceIn, traceOut, layout, coerce);
 
     // TODO not implemented yet