diff --git a/static/panes/compiler.ts b/static/panes/compiler.ts
index 9513f46a3..8b5d22319 100644
--- a/static/panes/compiler.ts
+++ b/static/panes/compiler.ts
@@ -680,8 +680,8 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
         };
 
         const newPaneDropdown = this.domRoot.find('.new-pane-dropdown');
-        const togglePannerAdder = () => {
-            newPaneDropdown.dropdown('toggle');
+        const hidePaneAdder = () => {
+            newPaneDropdown.dropdown('hide');
         };
 
         // Note that the .d.ts file lies in more than 1 way!
@@ -691,7 +691,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.domRoot.find('.btn.add-compiler'), cloneComponent as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.domRoot.find('.btn.add-compiler').on('click', () => {
             const insertPoint =
@@ -704,7 +704,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.optButton, createOptView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.optButton.on('click', () => {
             const insertPoint =
@@ -717,7 +717,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.stackUsageButton, createStackUsageView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.stackUsageButton.on('click', () => {
             const insertPoint =
@@ -726,13 +726,13 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             insertPoint.addChild(createStackUsageView());
         });
 
-        const popularArgumentsMenu = this.domRoot.find('div.populararguments div.dropdown-menu');
         if (this.flagsButton) {
+            const popularArgumentsMenu = this.domRoot.find('div.populararguments div.dropdown-menu');
             this.container.layoutManager
                 .createDragSource(this.flagsButton, createFlagsView as any)
                 // eslint-disable-next-line @typescript-eslint/ban-ts-comment
                 // @ts-ignore
-                ._dragListener.on('dragStart', togglePannerAdder);
+                ._dragListener.on('dragStart', () => popularArgumentsMenu.dropdown('hide'));
 
             this.flagsButton.on('click', () => {
                 const insertPoint =
@@ -748,7 +748,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.ppButton, createPpView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.ppButton.on('click', () => {
             const insertPoint =
@@ -761,7 +761,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.astButton, createAstView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.astButton.on('click', () => {
             const insertPoint =
@@ -774,7 +774,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.irButton, createIrView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.irButton.on('click', () => {
             const insertPoint =
@@ -787,7 +787,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.optPipelineButton, createOptPipelineView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.optPipelineButton.on('click', () => {
             const insertPoint =
@@ -800,7 +800,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.deviceButton, createDeviceView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.deviceButton.on('click', () => {
             const insertPoint =
@@ -813,7 +813,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.rustMirButton, createRustMirView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.rustMirButton.on('click', () => {
             const insertPoint =
@@ -826,7 +826,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.haskellCoreButton, createHaskellCoreView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.haskellCoreButton.on('click', () => {
             const insertPoint =
@@ -839,7 +839,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.haskellStgButton, createHaskellStgView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.haskellStgButton.on('click', () => {
             const insertPoint =
@@ -852,7 +852,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.haskellCmmButton, createHaskellCmmView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.haskellCmmButton.on('click', () => {
             const insertPoint =
@@ -865,7 +865,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.rustMacroExpButton, createRustMacroExpView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.rustMacroExpButton.on('click', () => {
             const insertPoint =
@@ -878,7 +878,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.rustHirButton, createRustHirView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.rustHirButton.on('click', () => {
             const insertPoint =
@@ -891,7 +891,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.gccDumpButton, createGccDumpView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.gccDumpButton.on('click', () => {
             const insertPoint =
@@ -904,7 +904,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.gnatDebugTreeButton, createGnatDebugTreeView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.gnatDebugTreeButton.on('click', () => {
             const insertPoint =
@@ -917,7 +917,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.gnatDebugButton, createGnatDebugView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.gnatDebugButton.on('click', () => {
             const insertPoint =
@@ -930,7 +930,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.cfgButton, createCfgView as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.cfgButton.on('click', () => {
             const insertPoint =
@@ -943,7 +943,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(this.executorButton, createExecutor as any)
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hidePaneAdder);
 
         this.executorButton.on('click', () => {
             const insertPoint =
@@ -2606,7 +2606,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
         });
     }
 
-    initToolButton(togglePannerAdder: () => void, button: JQuery<HTMLElement>, toolId: string): void {
+    initToolButton(hideToolDropdown: () => void, button: JQuery<HTMLElement>, toolId: string): void {
         const createToolView: () => ComponentConfig<ToolViewState> = () => {
             let args = '';
             let monacoStdin = false;
@@ -2634,7 +2634,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             .createDragSource(button, createToolView())
             // eslint-disable-next-line @typescript-eslint/ban-ts-comment
             // @ts-ignore
-            ._dragListener.on('dragStart', togglePannerAdder);
+            ._dragListener.on('dragStart', hideToolDropdown);
 
         button.on('click', () => {
             button.prop('disabled', true);
@@ -2647,8 +2647,8 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
 
     initToolButtons(): void {
         this.toolsMenu = this.domRoot.find('.new-tool-dropdown');
-        const toggleToolDropdown = () => {
-            this.toolsMenu?.dropdown('toggle');
+        const hideToolDropdown = () => {
+            this.toolsMenu?.dropdown('hide');
         };
         this.toolsMenu.empty();
 
@@ -2678,7 +2678,7 @@ export class Compiler extends MonacoPane<monaco.editor.IStandaloneCodeEditor, Co
             this.toolsMenu?.append(btn);
 
             if (toolName !== 'none') {
-                this.initToolButton(toggleToolDropdown, btn, toolName);
+                this.initToolButton(hideToolDropdown, btn, toolName);
             }
         };