diff --git a/lib/cmds/graph.js b/lib/cmds/graph.js
deleted file mode 100644
index ba45743a8..000000000
--- a/lib/cmds/graph.js
+++ /dev/null
@@ -1,118 +0,0 @@
-const Viz = require('viz.js');
-const fs = require('fs');
-
-class GraphGenerator {
-    constructor(engine) {
-        this.engine = engine;
-    }
-
-    generate(options) {
-        let id = 0;
-        let contractString = "";
-        let relationshipString = "";
-        let idMapping = {};
-        let contractInheritance = {};
-
-        for (let contract in this.engine.contractsManager.contracts) {
-            if(options.skipUndeployed && !this.engine.contractsManager.contracts[contract].deploy) continue;
-
-            id++;
-
-            idMapping[contract] = id;
-
-            let contractLabel = "";
-
-            contractLabel += `${contract}`;
-            let tooltip = contract;
-
-            if(this.engine.contractsManager.contracts[contract].instanceOf !== undefined &&
-               this.engine.contractsManager.contracts[this.engine.contractsManager.contracts[contract].instanceOf] !== undefined){
-                contractInheritance[contract] = this.engine.contractsManager.contracts[contract].instanceOf;
-                contractLabel += ": " + this.engine.contractsManager.contracts[contract].instanceOf;
-                tooltip += " instance of " + this.engine.contractsManager.contracts[contract].instanceOf; 
-            } else {
-                if(!(options.skipFunctions === true && options.skipEvents === true)) contractLabel += "|";
-
-                for(let i = 0; i < this.engine.contractsManager.contracts[contract].abiDefinition.length; i++){
-                    let abiDef = this.engine.contractsManager.contracts[contract].abiDefinition[i];
-                    if(abiDef.type == 'event' && options.skipEvents) continue;
-                    if(['constructor', 'fallback'].indexOf(abiDef.type) > -1 && options.skipFunctions) continue;
-
-                    switch(abiDef.type){
-                        case 'fallback': 
-                            contractLabel += "«fallback»()\\l";
-                            break;
-                        case 'constructor':
-                            contractLabel += "«constructor»(";
-                            abiDef.inputs.forEach(function(elem, index){
-                                contractLabel += (index == 0 ? "" : ", ") + elem.type;
-                            });
-                            contractLabel += ")\\l";
-                            break;
-                        case 'event':
-                            contractLabel += "«event»" + abiDef.name  + "(";
-                            abiDef.inputs.forEach(function(elem, index){
-                                contractLabel += (index == 0 ? "" : ", ") + elem.type;
-                            });
-                            contractLabel += ")\\l";
-                            break;
-                        default: break;
-                    }       
-                }
-
-                let fHashes = this.engine.contractsManager.contracts[contract].functionHashes;
-                if(fHashes != {} && fHashes != undefined && !options.skipFunctions){
-                    for(let method in this.engine.contractsManager.contracts[contract].functionHashes){
-                        contractLabel += method + '\\l';
-                    }
-                }
-            }
-
-            let others = '';
-            if(!this.engine.contractsManager.contracts[contract].deploy){
-                others = 'fontcolor="#c3c3c3", color="#a0a0a0"';
-                tooltip += " (not deployed)"; 
-            }
-
-            contractString += `${id}[label = "{${contractLabel}}", tooltip="${tooltip}", fillcolor=gray95, ${others}]\n`;
-
-        }
-
-        for (let c in this.engine.contractsManager.contractDependencies){            
-            let contractDependencies = Array.from(new Set(this.engine.contractsManager.contractDependencies[c]));
-            contractDependencies.forEach((d) => {
-                if(idMapping[c] !== undefined && idMapping[d] !== undefined){
-                    if((options.skipUndeployed && this.engine.contractsManager.contracts[c].deploy && this.engine.contractsManager.contracts[d].deploy) || !options.skipUndeployed){
-                        relationshipString += `${idMapping[d]}->${idMapping[c]}[constraint=true, arrowtail=diamond, tooltip="${c} uses ${d}"]\n`;
-                    }
-                }
-            });
-        }
-
-        for (let c in contractInheritance){
-            if(options.skipUndeployed && !this.engine.contractsManager.contracts[contractInheritance[c]].deploy) continue;
-
-            relationshipString += `${idMapping[contractInheritance[c]]}->${idMapping[c]}[tooltip="${c} instance of ${contractInheritance[c]}"]\n`;
-        }
-
-        let dot = `
-        digraph Contracts {
-            node[shape=record,style=filled]
-            edge[dir=back, arrowtail=empty]
-            ${contractString}
-            ${relationshipString}
-        }`;
-
-        let svg = Viz(dot);
-        
-        let filename = "diagram.svg";
-
-        fs.writeFileSync(filename, svg, (err) => {
-            if (err) throw err;
-        });
-
-
-    }
-}
-
-module.exports = GraphGenerator;