Index: src/ai/ai_gui.cpp
===================================================================
--- src/ai/ai_gui.cpp	(revision 27553)
+++ src/ai/ai_gui.cpp	(working copy)
@@ -675,8 +675,7 @@
 		EndContainer(),
 		NWidget(WWT_FRAME, COLOUR_MAUVE), SetDataTip(STR_AI_CONFIG_AI, STR_NULL), SetPadding(0, 5, 0, 5),
 			NWidget(NWID_HORIZONTAL),
-				NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_AIC_LIST), SetMinimalSize(288, 112), SetFill(1, 0), SetMatrixDataTip(1, 8, STR_AI_CONFIG_AILIST_TOOLTIP), SetScrollbar(WID_AIC_SCROLLBAR),
-				NWidget(NWID_VSCROLLBAR, COLOUR_MAUVE, WID_AIC_SCROLLBAR),
+				NWidget(WWT_MATRIX, COLOUR_MAUVE, WID_AIC_LIST), SetMinimalSize(288, 210), SetFill(1, 0), SetMatrixDataTip(1, 15, STR_AI_CONFIG_AILIST_TOOLTIP),
 			EndContainer(),
 		EndContainer(),
 		NWidget(NWID_SPACER), SetMinimalSize(0, 9),
@@ -711,16 +710,11 @@
 struct AIConfigWindow : public Window {
 	CompanyID selected_slot; ///< The currently selected AI slot or \c INVALID_COMPANY.
 	int line_height;         ///< Height of a single AI-name line.
-	Scrollbar *vscroll;      ///< Cache of the vertical scrollbar.
 
 	AIConfigWindow() : Window(&_ai_config_desc)
 	{
 		this->InitNested(WN_GAME_OPTIONS_AI); // Initializes 'this->line_height' as a side effect.
-		this->vscroll = this->GetScrollbar(WID_AIC_SCROLLBAR);
 		this->selected_slot = INVALID_COMPANY;
-		NWidgetCore *nwi = this->GetWidget<NWidgetCore>(WID_AIC_LIST);
-		this->vscroll->SetCapacity(nwi->current_y / this->line_height);
-		this->vscroll->SetCount(MAX_COMPANIES);
 		this->OnInvalidateData(0);
 	}
 
@@ -764,7 +758,7 @@
 
 			case WID_AIC_LIST:
 				this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM;
-				size->height = 8 * this->line_height;
+				size->height = 15 * this->line_height;
 				break;
 		}
 	}
@@ -809,7 +803,7 @@
 
 			case WID_AIC_LIST: {
 				int y = r.top;
-				for (int i = this->vscroll->GetPosition(); this->vscroll->IsVisible(i) && i < MAX_COMPANIES; i++) {
+				for (int i = 0; i < MAX_COMPANIES; i++) {
 					StringID text;
 
 					if ((_game_mode != GM_NORMAL && i == 0) || (_game_mode == GM_NORMAL && Company::IsValidHumanID(i))) {
@@ -860,7 +854,7 @@
 			}
 
 			case WID_AIC_LIST: { // Select a slot
-				this->selected_slot = (CompanyID)this->vscroll->GetScrolledRowFromWidget(pt.y, this, widget, 0, this->line_height);
+				this->selected_slot = (CompanyID)this->GetRowFromWidget(pt.y, widget, 0, this->line_height);
 				this->InvalidateData();
 				if (click_count > 1 && this->selected_slot != INVALID_COMPANY) ShowAIListWindow((CompanyID)this->selected_slot);
 				break;
@@ -870,7 +864,6 @@
 				if (IsEditable(this->selected_slot) && IsEditable((CompanyID)(this->selected_slot - 1))) {
 					Swap(GetGameSettings().ai_config[this->selected_slot], GetGameSettings().ai_config[this->selected_slot - 1]);
 					this->selected_slot--;
-					this->vscroll->ScrollTowards(this->selected_slot);
 					this->InvalidateData();
 				}
 				break;
@@ -879,7 +872,6 @@
 				if (IsEditable(this->selected_slot) && IsEditable((CompanyID)(this->selected_slot + 1))) {
 					Swap(GetGameSettings().ai_config[this->selected_slot], GetGameSettings().ai_config[this->selected_slot + 1]);
 					this->selected_slot++;
-					this->vscroll->ScrollTowards(this->selected_slot);
 					this->InvalidateData();
 				}
 				break;
Index: src/script/api/script_window.hpp
===================================================================
--- src/script/api/script_window.hpp	(revision 27553)
+++ src/script/api/script_window.hpp	(working copy)
@@ -867,7 +867,6 @@
 		WID_AIC_NUMBER                               = ::WID_AIC_NUMBER,                               ///< Number of AIs.
 		WID_AIC_GAMELIST                             = ::WID_AIC_GAMELIST,                             ///< List with current selected GameScript.
 		WID_AIC_LIST                                 = ::WID_AIC_LIST,                                 ///< List with currently selected AIs.
-		WID_AIC_SCROLLBAR                            = ::WID_AIC_SCROLLBAR,                            ///< Scrollbar to scroll through the selected AIs.
 		WID_AIC_MOVE_UP                              = ::WID_AIC_MOVE_UP,                              ///< Move up button.
 		WID_AIC_MOVE_DOWN                            = ::WID_AIC_MOVE_DOWN,                            ///< Move down button.
 		WID_AIC_CHANGE                               = ::WID_AIC_CHANGE,                               ///< Select another AI button.
Index: src/widgets/ai_widget.h
===================================================================
--- src/widgets/ai_widget.h	(revision 27553)
+++ src/widgets/ai_widget.h	(working copy)
@@ -42,7 +42,6 @@
 	WID_AIC_NUMBER,           ///< Number of AIs.
 	WID_AIC_GAMELIST,         ///< List with current selected GameScript.
 	WID_AIC_LIST,             ///< List with currently selected AIs.
-	WID_AIC_SCROLLBAR,        ///< Scrollbar to scroll through the selected AIs.
 	WID_AIC_MOVE_UP,          ///< Move up button.
 	WID_AIC_MOVE_DOWN,        ///< Move down button.
 	WID_AIC_CHANGE,           ///< Select another AI button.