diff --git a/src/app/debugger/debuggerUI/Slider.js b/src/app/debugger/debuggerUI/Slider.js
index b89e78034a..f3b1a0383d 100644
--- a/src/app/debugger/debuggerUI/Slider.js
+++ b/src/app/debugger/debuggerUI/Slider.js
@@ -9,7 +9,6 @@ class Slider {
     this.max
     this.disabled = true
     this.view
-    this.solidityMode = false
     this.stepOverride = _stepOverride
 
     this.previousValue = null