diff --git a/build/lib/electron.js b/build/lib/electron.js
index f0eb583f2cb..56992d8a7f7 100644
--- a/build/lib/electron.js
+++ b/build/lib/electron.js
@@ -195,7 +195,7 @@ exports.config = {
             'F# source code': 'fs',
             'F# signature file': 'fsi',
             'F# script': ['fsx', 'fsscript'],
-            'SVG document': ['svg', 'svgz'],
+            'SVG document': ['svg'],
             'TOML document': 'toml',
             'Swift source code': 'swift',
         }, 'default'),
diff --git a/build/lib/electron.ts b/build/lib/electron.ts
index 57b27022df8..3bb047dfcee 100644
--- a/build/lib/electron.ts
+++ b/build/lib/electron.ts
@@ -176,7 +176,7 @@ export const config = {
 			'F# source code': 'fs',
 			'F# signature file': 'fsi',
 			'F# script': ['fsx', 'fsscript'],
-			'SVG document': ['svg', 'svgz'],
+			'SVG document': ['svg'],
 			'TOML document': 'toml',
 			'Swift source code': 'swift',
 		}, 'default'),
diff --git a/build/win32/code.iss b/build/win32/code.iss
index a59d7c047f5..cad6e399f66 100644
--- a/build/win32/code.iss
+++ b/build/win32/code.iss
@@ -1120,14 +1120,6 @@ Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svg\D
 Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svg\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
 Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svg\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles
 
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.svgz\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.svgz\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.svgz"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svgz"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,SVGZ}"; Flags: uninsdeletekey; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svgz"; ValueType: string; ValueName: "AppUserModelID"; ValueData: "{#AppUserId}"; Flags: uninsdeletekey; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svgz\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\default.ico"; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svgz\shell\open"; ValueType: string; ValueName: "Icon"; ValueData: """{app}\{#ExeBasename}.exe"""; Tasks: associatewithfiles
-Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.svgz\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles
-
 Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.t\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
 Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\.t\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.t"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
 Root: {#SoftwareClassesRootKey}; Subkey: "Software\Classes\{#RegValueName}.t"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,Perl}"; Flags: uninsdeletekey; Tasks: associatewithfiles