diff --git a/src/Gui/Stylesheets/Dark-blue.qss b/src/Gui/Stylesheets/Dark-blue.qss
index d83e7de212..8ff225e348 100644
--- a/src/Gui/Stylesheets/Dark-blue.qss
+++ b/src/Gui/Stylesheets/Dark-blue.qss
@@ -2149,7 +2149,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Dark-green.qss b/src/Gui/Stylesheets/Dark-green.qss
index 0fd9cceffb..8827672aa9 100644
--- a/src/Gui/Stylesheets/Dark-green.qss
+++ b/src/Gui/Stylesheets/Dark-green.qss
@@ -2149,7 +2149,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Dark-orange.qss b/src/Gui/Stylesheets/Dark-orange.qss
index c36a172fb7..e710d98d86 100644
--- a/src/Gui/Stylesheets/Dark-orange.qss
+++ b/src/Gui/Stylesheets/Dark-orange.qss
@@ -2149,7 +2149,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Darker-blue.qss b/src/Gui/Stylesheets/Darker-blue.qss
index f9ae666417..86bedb4d68 100644
--- a/src/Gui/Stylesheets/Darker-blue.qss
+++ b/src/Gui/Stylesheets/Darker-blue.qss
@@ -2170,7 +2170,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Darker-green.qss b/src/Gui/Stylesheets/Darker-green.qss
index 4d67800e87..e541f36b01 100644
--- a/src/Gui/Stylesheets/Darker-green.qss
+++ b/src/Gui/Stylesheets/Darker-green.qss
@@ -2170,7 +2170,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Darker-orange.qss b/src/Gui/Stylesheets/Darker-orange.qss
index 7b6213dc07..6895f824e0 100644
--- a/src/Gui/Stylesheets/Darker-orange.qss
+++ b/src/Gui/Stylesheets/Darker-orange.qss
@@ -2170,7 +2170,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Light-blue.qss b/src/Gui/Stylesheets/Light-blue.qss
index c294c1c363..f09bd79fef 100644
--- a/src/Gui/Stylesheets/Light-blue.qss
+++ b/src/Gui/Stylesheets/Light-blue.qss
@@ -2150,7 +2150,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Light-green.qss b/src/Gui/Stylesheets/Light-green.qss
index 5ba17c0951..67cc2fb497 100644
--- a/src/Gui/Stylesheets/Light-green.qss
+++ b/src/Gui/Stylesheets/Light-green.qss
@@ -2150,7 +2150,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {
diff --git a/src/Gui/Stylesheets/Light-orange.qss b/src/Gui/Stylesheets/Light-orange.qss
index 29ab66aee9..1cafb42e1b 100644
--- a/src/Gui/Stylesheets/Light-orange.qss
+++ b/src/Gui/Stylesheets/Light-orange.qss
@@ -2150,7 +2150,7 @@ QToolButton[toolbar_orientation="horizontal"] {
 }
 
 QToolButton[toolbar_orientation="vertical"] {
-    width: 100%;
+    /* nothing, when Horizontal there's no need to add special parameters */
 }
 
 QToolBar#Selector QToolButton {