diff --git a/CHANGELOG.md b/CHANGELOG.md
index e277ba6..ee0c267 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## 0.0.8
+- fix misused promises
+
 ## 0.0.7
 - updated grammar
 - fixed mythX issue due to API change
diff --git a/README.md b/README.md
index 60ef641..2fa48b0 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,9 @@ Note: Active features can be disabled by setting `Settings` → `Vyper` → `Mod
 
 see [CHANGELOG](./CHANGELOG.md)
 
+## 0.0.8
+- fix misused promises
+
 ## 0.0.7
 - updated grammar
 - fixed mythX issue due to API change
diff --git a/package.json b/package.json
index 2220a46..cd09a18 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "vscode-vyper",
     "displayName": "Vyper",
     "description": "Ethereum Vyper language support for Visual Studio Code",
-    "version": "0.0.7",
+    "version": "0.0.8",
     "keywords": [
         "vyper",
         "ethereum",
diff --git a/src/extension.js b/src/extension.js
index b64e6ac..a2b181a 100644
--- a/src/extension.js
+++ b/src/extension.js
@@ -1,3 +1,4 @@
+'use strict'
 /** 
  * @author github.com/tintinweb
  * @license MIT
@@ -28,30 +29,22 @@ var activeEditor;
 
 /** event funcs */
 async function onDidSave(document){
-    return new Promise((reject,resolve) =>{
-
-        if(document.languageId!=VYPER_ID){
-            console.log("langid mismatch")
-            reject("langid_mismatch")
-            return;
-        }
+    if(document.languageId!=VYPER_ID){
+        console.log("langid mismatch")
+        return;
+    }
 
-        //always run on save
-        
-        if(vyperConfig.compile.onSave){
-            resolve(mod_compile.compileContractCommand(document.uri))
-        }
-    })
+    //always run on save
+    if(vyperConfig.compile.onSave){
+        mod_compile.compileContractCommand(document.uri)
+    }
 }
 
 async function onDidChange(event) {
-    return new Promise((reject,resolve) => {
         if(vscode.window.activeTextEditor.document.languageId!=VYPER_ID){
-            reject("langid_mismatch")
             return;
         }
 
-        console.log("onDidChange ...")
         if(vyperConfig.decoration.enable){
             mod_deco.decorateWords(activeEditor, [
                 {
@@ -99,11 +92,6 @@ async function onDidChange(event) {
                 },
             ], mod_deco.styles.boldUnderline);
         }
-        
-
-        console.log("✓ onDidChange")
-        resolve()
-    });
 }
 function onInitModules(context, type) {
     mod_hover.init(context, type, vyperConfig)
@@ -117,8 +105,6 @@ function onActivate(context) {
     if (!active || !active.document) return;
     activeEditor = active;
 
-    console.log(" activate extension: vyper ...")
-
     registerDocType(VYPER_ID);
     
     function registerDocType(type) {
@@ -186,7 +172,6 @@ function onActivate(context) {
 
 
     }
-    console.log("✓ activate extension: vyper")
 }
 
 /* exports */
diff --git a/src/features/compile.js b/src/features/compile.js
index 0e58ec8..a3866de 100644
--- a/src/features/compile.js
+++ b/src/features/compile.js
@@ -167,51 +167,6 @@ compileVyper.necessary = function(options, callback) {
 function compileActiveFileCommand(contractFile) {
     compileActiveFile(contractFile)
         .then(
-            (errormsg) => {
-                diagnosticCollections.compiler.delete(contractFile);
-                diagnosticCollections.mythx.delete(contractFile);
-                vscode.window.showErrorMessage('[Compiler Error] ' + errormsg);
-                let lineNr = 1; // add default errors to line 0 if not known
-                let matches = /(?:line\s+(\d+))/gm.exec(errormsg)
-                if (matches && matches.length==2){
-                    //only one line ref
-                    lineNr = parseInt(matches[1])
-                }
-
-                let lines = errormsg.split(/\r?\n/)
-                console.log(errormsg)
-                let shortmsg = lines[0]
-
-                // IndexError
-                if (lines.indexOf("SyntaxError: invalid syntax") > -1) {
-                    let matches = /line (\d+)/gm.exec(errormsg)
-                    if (matches.length >= 2) {
-                        lineNr = parseInt(matches[1])
-                    }
-                    shortmsg = "SyntaxError: invalid syntax";
-                } else {
-                    //match generic vyper exceptions
-                    let matches = /vyper\.exceptions\.\w+Exception:\s+(?:line\s+(\d+)).*$/gm.exec(errormsg)
-                    if (matches && matches.length > 0) {
-                        shortmsg = matches[0]
-                        if (matches.length >= 2) {
-                            lineNr = parseInt(matches[1])
-                        }
-                    }
-
-
-                }
-                if (errormsg) {
-                    diagnosticCollections.compiler.set(contractFile, [{
-                        code: '',
-                        message: shortmsg,
-                        range: new vscode.Range(new vscode.Position(lineNr - 1, 0), new vscode.Position(lineNr - 1, 255)),
-                        severity: vscode.DiagnosticSeverity.Error,
-                        source: errormsg,
-                        relatedInformation: []
-                    }]);
-                }
-            },
             (success) => {
                 diagnosticCollections.compiler.delete(contractFile);
                 diagnosticCollections.mythx.delete(contractFile);
@@ -283,6 +238,49 @@ function compileActiveFileCommand(contractFile) {
                         })
                     }
                 }
+            },
+            (errormsg) => {
+                diagnosticCollections.compiler.delete(contractFile);
+                diagnosticCollections.mythx.delete(contractFile);
+                vscode.window.showErrorMessage('[Compiler Error] ' + errormsg);
+                let lineNr = 1; // add default errors to line 0 if not known
+                let matches = /(?:line\s+(\d+))/gm.exec(errormsg)
+                if (matches && matches.length==2){
+                    //only one line ref
+                    lineNr = parseInt(matches[1])
+                }
+
+                let lines = errormsg.split(/\r?\n/)
+                console.log(errormsg)
+                let shortmsg = lines[0]
+
+                // IndexError
+                if (lines.indexOf("SyntaxError: invalid syntax") > -1) {
+                    let matches = /line (\d+)/gm.exec(errormsg)
+                    if (matches.length >= 2) {
+                        lineNr = parseInt(matches[1])
+                    }
+                    shortmsg = "SyntaxError: invalid syntax";
+                } else {
+                    //match generic vyper exceptions
+                    let matches = /vyper\.exceptions\.\w+Exception:\s+(?:line\s+(\d+)).*$/gm.exec(errormsg)
+                    if (matches && matches.length > 0) {
+                        shortmsg = matches[0]
+                        if (matches.length >= 2) {
+                            lineNr = parseInt(matches[1])
+                        }
+                    }
+                }
+                if (errormsg) {
+                    diagnosticCollections.compiler.set(contractFile, [{
+                        code: '',
+                        message: shortmsg,
+                        range: new vscode.Range(new vscode.Position(lineNr - 1, 0), new vscode.Position(lineNr - 1, 255)),
+                        severity: vscode.DiagnosticSeverity.Error,
+                        source: errormsg,
+                        relatedInformation: []
+                    }]);
+                }
             }
         )
         .catch(ex => {
@@ -292,7 +290,7 @@ function compileActiveFileCommand(contractFile) {
 }
 
 function compileActiveFile(contractFile) {
-    return new Promise((reject, resolve) => {
+    return new Promise((resolve, reject) => {
         if (!contractFile && vscode.window.activeTextEditor.document.languageId !== VYPER_ID) {
             reject("Not a vyper source file")
             return;
diff --git a/src/features/signatures.js b/src/features/signatures.js
index 6fae1d5..4150bd0 100644
--- a/src/features/signatures.js
+++ b/src/features/signatures.js
@@ -1,10 +1,11 @@
+'use strict'
 /** 
  * @author github.com/tintinweb
  * @license MIT
  * 
  * */
 
-class VyperSignatureHelpProvider{
+class VyperSignatureHelpProvider {
     provideSignatureHelp(document, position, token, context){
         return new Promise((resolve, reject) => {
             position = position.translate(0, -1)