diff --git a/data/com.mattjakeman.ExtensionManager.gschema.xml.in b/data/com.mattjakeman.ExtensionManager.gschema.xml.in
index b61b473f..13f739ff 100644
--- a/data/com.mattjakeman.ExtensionManager.gschema.xml.in
+++ b/data/com.mattjakeman.ExtensionManager.gschema.xml.in
@@ -14,11 +14,6 @@
Is Maximized
Wether app window is maximized.
-
- '@app_version@'
- Last-Used Version
- The last-used version of the app. If the saved version does not match, the "What's New" dialog is shown.
-
false
Sort Enabled First
diff --git a/data/icons/hicolor/scalable/actions/clock-alt-symbolic.svg b/data/icons/hicolor/scalable/actions/clock-alt-symbolic.svg
index ad142d7b..b4b5066b 100644
--- a/data/icons/hicolor/scalable/actions/clock-alt-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/clock-alt-symbolic.svg
@@ -1,4 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/dialog-error-symbolic.svg b/data/icons/hicolor/scalable/actions/dialog-error-symbolic.svg
deleted file mode 100644
index 62eb3db0..00000000
--- a/data/icons/hicolor/scalable/actions/dialog-error-symbolic.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-
diff --git a/data/icons/hicolor/scalable/actions/dialog-question-symbolic.svg b/data/icons/hicolor/scalable/actions/dialog-question-symbolic.svg
deleted file mode 100644
index d744f496..00000000
--- a/data/icons/hicolor/scalable/actions/dialog-question-symbolic.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-
diff --git a/data/icons/hicolor/scalable/actions/donation-symbolic.svg b/data/icons/hicolor/scalable/actions/donation-symbolic.svg
index 62328a0f..a926544f 100644
--- a/data/icons/hicolor/scalable/actions/donation-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/donation-symbolic.svg
@@ -1,2 +1,2 @@
-
+
diff --git a/data/icons/hicolor/scalable/actions/external-link-symbolic.svg b/data/icons/hicolor/scalable/actions/external-link-symbolic.svg
index 23716297..e88a887a 100644
--- a/data/icons/hicolor/scalable/actions/external-link-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/external-link-symbolic.svg
@@ -1,3 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/globe-symbolic.svg b/data/icons/hicolor/scalable/actions/globe-symbolic.svg
index cd0fe834..812ec518 100644
--- a/data/icons/hicolor/scalable/actions/globe-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/globe-symbolic.svg
@@ -1,3 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/go-next-symbolic.svg b/data/icons/hicolor/scalable/actions/go-next-symbolic.svg
deleted file mode 100644
index 9eb5d700..00000000
--- a/data/icons/hicolor/scalable/actions/go-next-symbolic.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-
diff --git a/data/icons/hicolor/scalable/actions/pip-in-symbolic.svg b/data/icons/hicolor/scalable/actions/pip-in-symbolic.svg
index 071f8084..cf3967cd 100644
--- a/data/icons/hicolor/scalable/actions/pip-in-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/pip-in-symbolic.svg
@@ -1,7 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/pip-out-symbolic.svg b/data/icons/hicolor/scalable/actions/pip-out-symbolic.svg
index 37bf02cb..8cd196b1 100644
--- a/data/icons/hicolor/scalable/actions/pip-out-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/pip-out-symbolic.svg
@@ -1,8 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/puzzle-piece-symbolic.svg b/data/icons/hicolor/scalable/actions/puzzle-piece-symbolic.svg
index 916881d2..f14543e6 100644
--- a/data/icons/hicolor/scalable/actions/puzzle-piece-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/puzzle-piece-symbolic.svg
@@ -1,3 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/settings-symbolic.svg b/data/icons/hicolor/scalable/actions/settings-symbolic.svg
index e018c6c2..408d7e5d 100644
--- a/data/icons/hicolor/scalable/actions/settings-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/settings-symbolic.svg
@@ -1,3 +1,2 @@
-
+
+
diff --git a/data/icons/hicolor/scalable/actions/software-update-available-symbolic.svg b/data/icons/hicolor/scalable/actions/software-update-available-symbolic.svg
index 0b05526a..aca3618b 100644
--- a/data/icons/hicolor/scalable/actions/software-update-available-symbolic.svg
+++ b/data/icons/hicolor/scalable/actions/software-update-available-symbolic.svg
@@ -1,3 +1,4 @@
-