diff --git a/dialog/test/window_size.json b/dialog/test/window_size.json
deleted file mode 100644
index 1f918b88fd..0000000000
--- a/dialog/test/window_size.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "capabilities": {
-    "goog:chromeOptions": {
-      "args": ["--window-position=0,0", "--window-size=599,800"]
-    },
-    "moz:firefoxOptions": {
-      "args": ["-width=599","-height=800"]
-    }
-  },
-  "extension": {
-    "xvfbResolution": "599x800x24"
-  }
-}
diff --git a/list/test/window_size.json b/list/test/window_size.json
deleted file mode 100644
index eec3f50c09..0000000000
--- a/list/test/window_size.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "capabilities": {
-    "goog:chromeOptions": {
-      "args": [
-        "--window-position=0,0",
-        "--window-size=1920,1200"
-      ]
-    }
-  },
-  "extension": {
-    "xvfbResolution": "1920x1200x24"
-  }
-}
\ No newline at end of file
diff --git a/menu/test/window_size.json b/menu/test/window_size.json
deleted file mode 100644
index 191dd70fcb..0000000000
--- a/menu/test/window_size.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "capabilities": {
-    "goog:chromeOptions": {
-      "args": ["--window-position=0,0", "--window-size=3400,2215"]
-    },
-    "moz:firefoxOptions": {
-      "args": ["-width=3400","-height=2215"]
-    }
-  },
-  "extension": {
-    "xvfbResolution": "3400x2215x24"
-  }
-}
diff --git a/select/test/window_size.json b/select/test/window_size.json
deleted file mode 100644
index 191dd70fcb..0000000000
--- a/select/test/window_size.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "capabilities": {
-    "goog:chromeOptions": {
-      "args": ["--window-position=0,0", "--window-size=3400,2215"]
-    },
-    "moz:firefoxOptions": {
-      "args": ["-width=3400","-height=2215"]
-    }
-  },
-  "extension": {
-    "xvfbResolution": "3400x2215x24"
-  }
-}
diff --git a/tabs/test/window_size.json b/tabs/test/window_size.json
deleted file mode 100644
index 191dd70fcb..0000000000
--- a/tabs/test/window_size.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "capabilities": {
-    "goog:chromeOptions": {
-      "args": ["--window-position=0,0", "--window-size=3400,2215"]
-    },
-    "moz:firefoxOptions": {
-      "args": ["-width=3400","-height=2215"]
-    }
-  },
-  "extension": {
-    "xvfbResolution": "3400x2215x24"
-  }
-}