diff --git a/scripts/prepare_adhoc_build.js b/scripts/prepare_adhoc_build.js
index dfac364bc..205709434 100644
--- a/scripts/prepare_adhoc_build.js
+++ b/scripts/prepare_adhoc_build.js
@@ -59,10 +59,6 @@ const APP_ID_PATH = 'build.appId';
 const PRODUCTION_APP_ID = 'org.whispersystems.signal-desktop';
 const ADHOC_APP_ID = `org.whispersystems.signal-desktop-adhoc-${formattedDate}-${shortSha}`;
 
-const STARTUP_WM_CLASS_PATH = 'build.linux.desktop.StartupWMClass';
-const PRODUCTION_STARTUP_WM_CLASS = 'Signal';
-const ADHOC_STARTUP_WM_CLASS = `Signal Adhoc ${formattedDate}.${shortSha}`;
-
 const DESKTOP_NAME_PATH = 'desktopName';
 
 // Note: we're avoiding dashes in our .desktop name due to xdg-settings behavior
@@ -84,7 +80,6 @@ function checkValue(object, objectPath, expected) {
 checkValue(packageJson, NAME_PATH, PRODUCTION_NAME);
 checkValue(packageJson, PRODUCT_NAME_PATH, PRODUCTION_PRODUCT_NAME);
 checkValue(packageJson, APP_ID_PATH, PRODUCTION_APP_ID);
-checkValue(packageJson, STARTUP_WM_CLASS_PATH, PRODUCTION_STARTUP_WM_CLASS);
 checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 
 // -------
@@ -92,7 +87,6 @@ checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 _.set(packageJson, NAME_PATH, ADHOC_NAME);
 _.set(packageJson, PRODUCT_NAME_PATH, ADHOC_PRODUCT_NAME);
 _.set(packageJson, APP_ID_PATH, ADHOC_APP_ID);
-_.set(packageJson, STARTUP_WM_CLASS_PATH, ADHOC_STARTUP_WM_CLASS);
 _.set(packageJson, DESKTOP_NAME_PATH, ADHOC_DESKTOP_NAME);
 
 // -------
diff --git a/scripts/prepare_axolotl_build.js b/scripts/prepare_axolotl_build.js
index 6c29072c9..3763c1280 100644
--- a/scripts/prepare_axolotl_build.js
+++ b/scripts/prepare_axolotl_build.js
@@ -36,10 +36,6 @@ const APP_ID_PATH = 'build.appId';
 const PRODUCTION_APP_ID = 'org.whispersystems.signal-desktop';
 const AXOLOTL_APP_ID = 'org.whispersystems.signal-desktop-axolotl';
 
-const STARTUP_WM_CLASS_PATH = 'build.linux.desktop.StartupWMClass';
-const PRODUCTION_STARTUP_WM_CLASS = 'Signal';
-const AXOLOTL_STARTUP_WM_CLASS = 'Signal Axolotl';
-
 const DESKTOP_NAME_PATH = 'desktopName';
 
 // Note: we're avoiding dashes in our .desktop name due to xdg-settings behavior
@@ -61,7 +57,6 @@ function checkValue(object, objectPath, expected) {
 checkValue(packageJson, NAME_PATH, PRODUCTION_NAME);
 checkValue(packageJson, PRODUCT_NAME_PATH, PRODUCTION_PRODUCT_NAME);
 checkValue(packageJson, APP_ID_PATH, PRODUCTION_APP_ID);
-checkValue(packageJson, STARTUP_WM_CLASS_PATH, PRODUCTION_STARTUP_WM_CLASS);
 checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 
 // -------
@@ -69,7 +64,6 @@ checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 _.set(packageJson, NAME_PATH, AXOLOTL_NAME);
 _.set(packageJson, PRODUCT_NAME_PATH, AXOLOTL_PRODUCT_NAME);
 _.set(packageJson, APP_ID_PATH, AXOLOTL_APP_ID);
-_.set(packageJson, STARTUP_WM_CLASS_PATH, AXOLOTL_STARTUP_WM_CLASS);
 _.set(packageJson, DESKTOP_NAME_PATH, AXOLOTL_DESKTOP_NAME);
 
 // -------
diff --git a/scripts/prepare_beta_build.js b/scripts/prepare_beta_build.js
index 112ada814..be0cb8ad4 100644
--- a/scripts/prepare_beta_build.js
+++ b/scripts/prepare_beta_build.js
@@ -35,10 +35,6 @@ const APP_ID_PATH = 'build.appId';
 const PRODUCTION_APP_ID = 'org.whispersystems.signal-desktop';
 const BETA_APP_ID = 'org.whispersystems.signal-desktop-beta';
 
-const STARTUP_WM_CLASS_PATH = 'build.linux.desktop.StartupWMClass';
-const PRODUCTION_STARTUP_WM_CLASS = 'Signal';
-const BETA_STARTUP_WM_CLASS = 'Signal Beta';
-
 const DESKTOP_NAME_PATH = 'desktopName';
 
 // Note: we're avoiding dashes in our .desktop name due to xdg-settings behavior
@@ -60,7 +56,6 @@ function checkValue(object, objectPath, expected) {
 checkValue(packageJson, NAME_PATH, PRODUCTION_NAME);
 checkValue(packageJson, PRODUCT_NAME_PATH, PRODUCTION_PRODUCT_NAME);
 checkValue(packageJson, APP_ID_PATH, PRODUCTION_APP_ID);
-checkValue(packageJson, STARTUP_WM_CLASS_PATH, PRODUCTION_STARTUP_WM_CLASS);
 checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 
 // -------
@@ -68,7 +63,6 @@ checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 _.set(packageJson, NAME_PATH, BETA_NAME);
 _.set(packageJson, PRODUCT_NAME_PATH, BETA_PRODUCT_NAME);
 _.set(packageJson, APP_ID_PATH, BETA_APP_ID);
-_.set(packageJson, STARTUP_WM_CLASS_PATH, BETA_STARTUP_WM_CLASS);
 _.set(packageJson, DESKTOP_NAME_PATH, BETA_DESKTOP_NAME);
 
 // -------
diff --git a/scripts/prepare_staging_build.js b/scripts/prepare_staging_build.js
index ca4a1b28a..c8c258d97 100644
--- a/scripts/prepare_staging_build.js
+++ b/scripts/prepare_staging_build.js
@@ -39,10 +39,6 @@ const APP_ID_PATH = 'build.appId';
 const PRODUCTION_APP_ID = 'org.whispersystems.signal-desktop';
 const STAGING_APP_ID = 'org.whispersystems.signal-desktop-staging';
 
-const STARTUP_WM_CLASS_PATH = 'build.linux.desktop.StartupWMClass';
-const PRODUCTION_STARTUP_WM_CLASS = 'Signal';
-const STAGING_STARTUP_WM_CLASS = 'Signal Staging';
-
 const DESKTOP_NAME_PATH = 'desktopName';
 
 // Note: we're avoiding dashes in our .desktop name due to xdg-settings behavior
@@ -64,7 +60,6 @@ function checkValue(object, objectPath, expected) {
 checkValue(packageJson, NAME_PATH, PRODUCTION_NAME);
 checkValue(packageJson, PRODUCT_NAME_PATH, PRODUCTION_PRODUCT_NAME);
 checkValue(packageJson, APP_ID_PATH, PRODUCTION_APP_ID);
-checkValue(packageJson, STARTUP_WM_CLASS_PATH, PRODUCTION_STARTUP_WM_CLASS);
 checkValue(packageJson, DESKTOP_NAME_PATH, PRODUCTION_DESKTOP_NAME);
 
 // -------
@@ -73,7 +68,6 @@ _.set(packageJson, VERSION_PATH, STAGING_VERSION);
 _.set(packageJson, NAME_PATH, STAGING_NAME);
 _.set(packageJson, PRODUCT_NAME_PATH, STAGING_PRODUCT_NAME);
 _.set(packageJson, APP_ID_PATH, STAGING_APP_ID);
-_.set(packageJson, STARTUP_WM_CLASS_PATH, STAGING_STARTUP_WM_CLASS);
 _.set(packageJson, DESKTOP_NAME_PATH, STAGING_DESKTOP_NAME);
 
 // -------