diff --git a/gui-js/apps/minsky-electron/tsconfig.json b/gui-js/apps/minsky-electron/tsconfig.json
index 893d8d7d3..ac6939a46 100644
--- a/gui-js/apps/minsky-electron/tsconfig.json
+++ b/gui-js/apps/minsky-electron/tsconfig.json
@@ -1,16 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -24,11 +12,5 @@
       "path": "./tsconfig.editor.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/apps/minsky-electron/tsconfig.spec.json b/gui-js/apps/minsky-electron/tsconfig.spec.json
index e48ccba48..d229069ab 100644
--- a/gui-js/apps/minsky-electron/tsconfig.spec.json
+++ b/gui-js/apps/minsky-electron/tsconfig.spec.json
@@ -2,10 +2,6 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
-    "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/apps/minsky-web/tsconfig.json b/gui-js/apps/minsky-web/tsconfig.json
index 893d8d7d3..ac6939a46 100644
--- a/gui-js/apps/minsky-web/tsconfig.json
+++ b/gui-js/apps/minsky-web/tsconfig.json
@@ -1,16 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -24,11 +12,5 @@
       "path": "./tsconfig.editor.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/apps/minsky-web/tsconfig.spec.json b/gui-js/apps/minsky-web/tsconfig.spec.json
index e48ccba48..d229069ab 100644
--- a/gui-js/apps/minsky-web/tsconfig.spec.json
+++ b/gui-js/apps/minsky-web/tsconfig.spec.json
@@ -2,10 +2,6 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
-    "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/libs/core/tsconfig.json b/gui-js/libs/core/tsconfig.json
index b87665cec..d16a71e9a 100644
--- a/gui-js/libs/core/tsconfig.json
+++ b/gui-js/libs/core/tsconfig.json
@@ -1,15 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -20,11 +9,5 @@
       "path": "./tsconfig.spec.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/libs/core/tsconfig.spec.json b/gui-js/libs/core/tsconfig.spec.json
index e48ccba48..db267a8fc 100644
--- a/gui-js/libs/core/tsconfig.spec.json
+++ b/gui-js/libs/core/tsconfig.spec.json
@@ -2,10 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
     "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/libs/menu/tsconfig.json b/gui-js/libs/menu/tsconfig.json
index b87665cec..d16a71e9a 100644
--- a/gui-js/libs/menu/tsconfig.json
+++ b/gui-js/libs/menu/tsconfig.json
@@ -1,15 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -20,11 +9,5 @@
       "path": "./tsconfig.spec.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/libs/menu/tsconfig.spec.json b/gui-js/libs/menu/tsconfig.spec.json
index e48ccba48..db267a8fc 100644
--- a/gui-js/libs/menu/tsconfig.spec.json
+++ b/gui-js/libs/menu/tsconfig.spec.json
@@ -2,10 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
     "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/libs/shared/tsconfig.json b/gui-js/libs/shared/tsconfig.json
index b87665cec..d16a71e9a 100644
--- a/gui-js/libs/shared/tsconfig.json
+++ b/gui-js/libs/shared/tsconfig.json
@@ -1,15 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -20,11 +9,5 @@
       "path": "./tsconfig.spec.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/libs/shared/tsconfig.spec.json b/gui-js/libs/shared/tsconfig.spec.json
index e48ccba48..db267a8fc 100644
--- a/gui-js/libs/shared/tsconfig.spec.json
+++ b/gui-js/libs/shared/tsconfig.spec.json
@@ -2,10 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
     "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/libs/ui-components/tsconfig.json b/gui-js/libs/ui-components/tsconfig.json
index b87665cec..d16a71e9a 100644
--- a/gui-js/libs/ui-components/tsconfig.json
+++ b/gui-js/libs/ui-components/tsconfig.json
@@ -1,15 +1,4 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "useDefineForClassFields": false,
-    "forceConsistentCasingInFileNames": true,
-    "strict": false,
-    "noImplicitOverride": false,
-    "noImplicitAny": false,
-    "noPropertyAccessFromIndexSignature": false,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true
-  },
   "files": [],
   "include": [],
   "references": [
@@ -20,11 +9,5 @@
       "path": "./tsconfig.spec.json"
     }
   ],
-  "extends": "../../tsconfig.base.json",
-  "angularCompilerOptions": {
-    "enableI18nLegacyMessageIdFormat": false,
-    "strictInjectionParameters": true,
-    "strictInputAccessModifiers": true,
-    "strictTemplates": true
-  }
+  "extends": "../../tsconfig.base.json"
 }
\ No newline at end of file
diff --git a/gui-js/libs/ui-components/tsconfig.spec.json b/gui-js/libs/ui-components/tsconfig.spec.json
index e48ccba48..db267a8fc 100644
--- a/gui-js/libs/ui-components/tsconfig.spec.json
+++ b/gui-js/libs/ui-components/tsconfig.spec.json
@@ -2,10 +2,7 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../../dist/out-tsc",
-    "module": "commonjs",
     "target": "es2016",
-    "esModuleInterop": true,
-    "allowSyntheticDefaultImports": true,
     "types": ["jest", "node"]
   },
   "files": ["src/test-setup.ts"],
diff --git a/gui-js/tsconfig.base.json b/gui-js/tsconfig.base.json
index 40beeb5fd..b760bcf65 100644
--- a/gui-js/tsconfig.base.json
+++ b/gui-js/tsconfig.base.json
@@ -8,12 +8,13 @@
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "importHelpers": true,
-    "target": "es2015",
+    "target": "es2022",
     "module": "esnext",
     "lib": ["es2020", "dom"],
     "skipLibCheck": true,
     "skipDefaultLibCheck": true,
-    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "useDefineForClassFields": false,
     "baseUrl": ".",
     "paths": {
       "@minsky/menu": ["libs/menu/src/index.ts"],
@@ -23,5 +24,11 @@
       "@minsky/ui-components": ["libs/ui-components/src/index.ts"]
     }
   },
-  "exclude": ["node_modules", "tmp"]
+  "exclude": ["node_modules", "tmp"],
+  "angularCompilerOptions": {
+    "enableI18nLegacyMessageIdFormat": false,
+    "strictInjectionParameters": true,
+    "strictInputAccessModifiers": true,
+    "strictTemplates": true
+  }
 }
\ No newline at end of file