diff --git a/apps/remix-ide/src/app.js b/apps/remix-ide/src/app.js
index a90e94683b..21b243102c 100644
--- a/apps/remix-ide/src/app.js
+++ b/apps/remix-ide/src/app.js
@@ -383,9 +383,10 @@ class AppComponent {
     await this.appManager.activatePlugin(['sidePanel']) // activating  host plugin separately
     await this.appManager.activatePlugin(['home'])
     await this.appManager.activatePlugin(['settings', 'config'])
-    await this.appManager.activatePlugin(['hiddenPanel', 'pluginManager', 'codeParser', 'codeFormatter', 'fileDecorator', 'terminal', 'blockchain', 'fetchAndCompile', 'contentImport', 'gistHandler'])
+    await this.appManager.activatePlugin(['hiddenPanel', 'pluginManager', 'codeParser', 'codeFormatter', 'fileDecorator', 'terminal', 'blockchain', 'fetchAndCompile', 'contentImport', 'gistHandler', 'solidityumlgen'])
     await this.appManager.activatePlugin(['settings'])
     await this.appManager.activatePlugin(['walkthrough', 'storage', 'search', 'compileAndRun', 'recorder'])
+    // await this.appManager.activatePlugin(['solidityumlgen'])
 
     this.appManager.on(
       'filePanel',
diff --git a/libs/remix-ui/solidity-compiler/src/lib/contract-selection.tsx b/libs/remix-ui/solidity-compiler/src/lib/contract-selection.tsx
index 0049fd5c0a..891d269bf7 100644
--- a/libs/remix-ui/solidity-compiler/src/lib/contract-selection.tsx
+++ b/libs/remix-ui/solidity-compiler/src/lib/contract-selection.tsx
@@ -264,7 +264,7 @@ export const ContractSelection = (props: ContractSelectionProps) => {
             </select>
           </div>
           <article className="mt-2 pb-0">
-            <CustomTooltip
+            {/* <CustomTooltip
               placement="right-start"
               tooltipId="flattenContractTooltip"
               tooltipClasses="text-nowrap"
@@ -283,7 +283,7 @@ export const ContractSelection = (props: ContractSelectionProps) => {
               <button id="generateUML" onClick={generateUML} className="btn btn-secondary btn-block mt-2">
                 <FormattedMessage id='solidity.generateUMLLabel' />
               </button>
-            </CustomTooltip>
+            </CustomTooltip> */}
             <button id="publishOnIpfs" className="btn btn-secondary btn-block" onClick={() => { handlePublishToStorage('ipfs') }}>
               <CustomTooltip
                 placement="right-start"