diff --git a/src/group_gui.cpp b/src/group_gui.cpp
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -51,14 +51,14 @@ static const NWidgetPart _nested_group_w
 				NWidget(NWID_VSCROLLBAR, COLOUR_GREY, WID_GL_LIST_GROUP_SCROLLBAR),
 			EndContainer(),
 			NWidget(NWID_HORIZONTAL),
-				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_CREATE_GROUP), SetMinimalSize(24, 25), SetFill(0, 1),
+				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_CREATE_GROUP), SetFill(0, 1),
 						SetDataTip(SPR_GROUP_CREATE_TRAIN, STR_GROUP_CREATE_TOOLTIP),
-				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_DELETE_GROUP), SetMinimalSize(24, 25), SetFill(0, 1),
+				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_DELETE_GROUP), SetFill(0, 1),
 						SetDataTip(SPR_GROUP_DELETE_TRAIN, STR_GROUP_DELETE_TOOLTIP),
-				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_RENAME_GROUP), SetMinimalSize(24, 25), SetFill(0, 1),
+				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_RENAME_GROUP), SetFill(0, 1),
 						SetDataTip(SPR_GROUP_RENAME_TRAIN, STR_GROUP_RENAME_TOOLTIP),
 				NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), EndContainer(),
-				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_REPLACE_PROTECTION), SetMinimalSize(24, 25), SetFill(0, 1),
+				NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_GL_REPLACE_PROTECTION), SetFill(0, 1),
 						SetDataTip(SPR_GROUP_REPLACE_OFF_TRAIN, STR_GROUP_REPLACE_PROTECTION_TOOLTIP),
 				NWidget(WWT_PANEL, COLOUR_GREY), SetFill(0, 1), EndContainer(),
 			EndContainer(),
@@ -336,8 +336,7 @@ public:
 				size->height =  4 * GetVehicleListHeight(this->vli.vtype, this->tiny_step_height) - 2 * this->tiny_step_height;
 
 				/* ... minus the buttons at the bottom ... */
-				uint max_icon_height = 25;
-				max_icon_height = max(max_icon_height, GetSpriteSize(this->GetWidget<NWidgetCore>(WID_GL_CREATE_GROUP)->widget_data).height);
+				uint max_icon_height = GetSpriteSize(this->GetWidget<NWidgetCore>(WID_GL_CREATE_GROUP)->widget_data).height;
 				max_icon_height = max(max_icon_height, GetSpriteSize(this->GetWidget<NWidgetCore>(WID_GL_RENAME_GROUP)->widget_data).height);
 				max_icon_height = max(max_icon_height, GetSpriteSize(this->GetWidget<NWidgetCore>(WID_GL_DELETE_GROUP)->widget_data).height);
 				max_icon_height = max(max_icon_height, GetSpriteSize(this->GetWidget<NWidgetCore>(WID_GL_REPLACE_PROTECTION)->widget_data).height);