diff --git a/extensions/helpers/fs.ts b/extensions/helpers/fs.ts
index ca80024..9dca63b 100644
--- a/extensions/helpers/fs.ts
+++ b/extensions/helpers/fs.ts
@@ -61,10 +61,7 @@ export function getThemeIconsContribute(ID: string): IPackageJSONThemeIcons {
  */
 export function getIconVariantFromTheme(theme: string): string {
   const {themeIconVariants} = getDefaultValues();
-  const splitted = theme.split('-');
-  const variantIcon = splitted[splitted.length - 1];
-  const found = Object.keys(themeIconVariants)
-    .find(key => themeIconVariants[key].includes(variantIcon));
+  const found = Object.keys(themeIconVariants).find(variant => theme.includes(variant));
   return found ? found.toLowerCase() : null;
 }
 
diff --git a/extensions/helpers/settings.ts b/extensions/helpers/settings.ts
index da1a811..a943ed6 100644
--- a/extensions/helpers/settings.ts
+++ b/extensions/helpers/settings.ts
@@ -44,7 +44,7 @@ export function isAccent(accentName: string, defaults: IDefaults): boolean {
  */
 export function isMaterialTheme(themeName: string): boolean {
   const packageJSON = getPackageJSON();
-  return Boolean(packageJSON.contributes.themes.find(contrib => contrib.id === themeName));
+  return Boolean(packageJSON.contributes.themes.find(contrib => contrib.label === themeName));
 }
 
 /**
diff --git a/extensions/interfaces/ipackage.json.ts b/extensions/interfaces/ipackage.json.ts
index 0c1b572..edd732a 100644
--- a/extensions/interfaces/ipackage.json.ts
+++ b/extensions/interfaces/ipackage.json.ts
@@ -24,7 +24,6 @@ export interface IPackageJSONCommand {
 }
 
 export interface IPackageJSONTheme {
-  id: string;
   label: string;
   path: string;
   uiTheme: string;
diff --git a/package.json b/package.json
index 5aac379..94ccb3f 100644
--- a/package.json
+++ b/package.json
@@ -122,61 +122,51 @@
     },
     "themes": [
       {
-        "id": "eq-material-theme-default",
         "label": "Material Theme",
         "path": "./themes/Material-Theme-Default.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-default-high-contrast",
         "label": "Material Theme High Contrast",
         "path": "./themes/Material-Theme-Default-High-Contrast.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-darker",
         "label": "Material Theme Darker",
         "path": "./themes/Material-Theme-Darker.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-darker-high-contrast",
         "label": "Material Theme Darker High Contrast",
         "path": "./themes/Material-Theme-Darker-High-Contrast.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-palenight",
         "label": "Material Theme Palenight",
         "path": "./themes/Material-Theme-Palenight.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-palenight-high-contrast",
         "label": "Material Theme Palenight High Contrast",
         "path": "./themes/Material-Theme-Palenight-High-Contrast.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-ocean",
         "label": "Material Theme Ocean",
         "path": "./themes/Material-Theme-Ocean.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-ocean-high-contrast",
         "label": "Material Theme Ocean High Contrast",
         "path": "./themes/Material-Theme-Ocean-High-Contrast.json",
         "uiTheme": "vs-dark"
       },
       {
-        "id": "eq-material-theme-lighter",
         "label": "Material Theme Lighter",
         "path": "./themes/Material-Theme-Lighter.json",
         "uiTheme": "vs"
       },
       {
-        "id": "eq-material-theme-lighter-high-contrast",
         "label": "Material Theme Lighter High Contrast",
         "path": "./themes/Material-Theme-Lighter-High-Contrast.json",
         "uiTheme": "vs"