diff --git a/prboom2/src/SDL/i_video.c b/prboom2/src/SDL/i_video.c
index 18c897fe4..0cfc965e4 100644
--- a/prboom2/src/SDL/i_video.c
+++ b/prboom2/src/SDL/i_video.c
@@ -292,8 +292,6 @@ int I_SDLtoDoomMouseState(Uint32 buttonstate)
       ;
 }
 
-static event_t delay_event;
-
 static void I_GetEvent(void)
 {
   event_t event;
@@ -301,8 +299,6 @@ static void I_GetEvent(void)
   SDL_Event SDLEvent;
   SDL_Event *Event = &SDLEvent;
 
-  I_DelayEvent();
-
   while (SDL_PollEvent(Event))
   {
     switch (Event->type) {
@@ -386,12 +382,12 @@ static void I_GetEvent(void)
 
           // post a button down event
           event.data1.i = button;
-          event.type = ev_mouseb_down;
+          event.type = ev_keydown;
           D_PostEvent(&event);
 
-          // hold button for one tic, required for checks in G_BuildTiccmd
-          delay_event.data1.i = button;
-          delay_event.type = ev_mouseb_up;
+          event.data1.i = button;
+          event.type = ev_keyup;
+          D_PostEvent(&event);
         }
         break;
 
@@ -433,16 +429,6 @@ static void I_GetEvent(void)
   }
 }
 
-// Pulled from Woof
-void I_DelayEvent(void)
-{
-  if (delay_event.data1.i)
-  {
-    D_PostEvent(&delay_event);
-    delay_event.data1.i = 0;
-  }
-}
-
 //
 // I_StartTic
 //
diff --git a/prboom2/src/am_map.c b/prboom2/src/am_map.c
index f91f9c5c9..bb3615290 100644
--- a/prboom2/src/am_map.c
+++ b/prboom2/src/am_map.c
@@ -1073,7 +1073,7 @@ dboolean AM_Responder
   }
   else if (
     dsda_InputActivated(dsda_input_map_zoomout) ||
-    (map_wheel_zoom && ev->type == ev_mouseb_down && ev->data1.i == KEYD_MWHEELDOWN)
+    (map_wheel_zoom && ev->type == ev_keydown && ev->data1.i == KEYD_MWHEELDOWN)
   )
   {
     mtof_zoommul = M_ZOOMOUT;
@@ -1085,7 +1085,7 @@ dboolean AM_Responder
   }
   else if (
     dsda_InputActivated(dsda_input_map_zoomin) ||
-    (map_wheel_zoom && ev->type == ev_mouseb_down && ev->data1.i == KEYD_MWHEELUP)
+    (map_wheel_zoom && ev->type == ev_keydown && ev->data1.i == KEYD_MWHEELUP)
   )
   {
     mtof_zoommul = M_ZOOMIN;
@@ -1164,7 +1164,7 @@ dboolean AM_Responder
     dsda_InputDeactivated(dsda_input_map_zoomout) ||
     dsda_InputDeactivated(dsda_input_map_zoomin) ||
     (
-      map_wheel_zoom && ev->type == ev_mouseb_up &&
+      map_wheel_zoom && ev->type == ev_keyup &&
       (ev->data1.i == KEYD_MWHEELDOWN || ev->data1.i == KEYD_MWHEELUP)
     )
   )
diff --git a/prboom2/src/d_event.h b/prboom2/src/d_event.h
index 6ee5bc1c0..8faaee3c2 100644
--- a/prboom2/src/d_event.h
+++ b/prboom2/src/d_event.h
@@ -48,8 +48,6 @@ typedef enum
 {
   ev_keydown,
   ev_keyup,
-  ev_mouseb_down,
-  ev_mouseb_up,
   ev_mouse,
   ev_mousemotion,
   ev_joystick,
diff --git a/prboom2/src/d_main.c b/prboom2/src/d_main.c
index 41ff1b570..d85474c40 100644
--- a/prboom2/src/d_main.c
+++ b/prboom2/src/d_main.c
@@ -209,7 +209,7 @@ void D_PostEvent(event_t *ev)
       // use key is used for seeing the current frame
       if (
         !dsda_InputActivated(dsda_input_use) && !dsda_InputActivated(dsda_input_demo_skip) &&
-        (ev->type == ev_keydown || ev->type == ev_keyup || ev->type == ev_mouseb_down || ev->type == ev_mouseb_up) // is this condition important?
+        (ev->type == ev_keydown || ev->type == ev_keyup) // is this condition important?
       )
       {
         return;
diff --git a/prboom2/src/dsda/input.c b/prboom2/src/dsda/input.c
index 63a81939c..7455292d9 100644
--- a/prboom2/src/dsda/input.c
+++ b/prboom2/src/dsda/input.c
@@ -90,12 +90,6 @@ void dsda_InputTrackEvent(event_t* ev) {
     case ev_keyup:
       dsda_InputTrackKeyUp(ev);
       break;
-    case ev_mouseb_down:
-      dsda_InputTrackKeyDown(ev);
-      break;
-    case ev_mouseb_up:
-      dsda_InputTrackKeyUp(ev);
-      break;
     case ev_mouse:
       dsda_InputTrackButtons(mousebuttons, MAX_MOUSE_BUTTONS, ev);
       break;
@@ -148,12 +142,6 @@ void dsda_InputTrackGameEvent(event_t* ev) {
     case ev_keyup:
       dsda_InputTrackGameKeyUp(ev);
       break;
-    case ev_mouseb_down:
-      dsda_InputTrackGameKeyDown(ev);
-      break;
-    case ev_mouseb_up:
-      dsda_InputTrackGameKeyUp(ev);
-      break;
     case ev_mouse:
       dsda_InputTrackGameButtons(mousebuttons, MAX_MOUSE_BUTTONS, ev);
       break;
diff --git a/prboom2/src/f_finale.c b/prboom2/src/f_finale.c
index 631c12743..651e84868 100644
--- a/prboom2/src/f_finale.c
+++ b/prboom2/src/f_finale.c
@@ -617,7 +617,7 @@ void F_CastTicker (void)
 
 dboolean F_CastResponder (event_t* ev)
 {
-  if (ev->type != ev_keydown && ev->type != ev_mouseb_down)
+  if (ev->type != ev_keydown)
     return false;
 
   if (castdeath)
diff --git a/prboom2/src/g_game.c b/prboom2/src/g_game.c
index 1323ebe2b..d21f6ff4a 100644
--- a/prboom2/src/g_game.c
+++ b/prboom2/src/g_game.c
@@ -1380,12 +1380,6 @@ dboolean G_Responder (event_t* ev)
     case ev_keydown:
       return true;    // eat key down events
 
-    case ev_mouseb_up:
-      return true;
-
-    case ev_mouseb_down:
-      return true;
-
     case ev_mousemotion:
     {
       double value;
diff --git a/prboom2/src/heretic/f_finale.c b/prboom2/src/heretic/f_finale.c
index d3a3e10aa..dabba154f 100644
--- a/prboom2/src/heretic/f_finale.c
+++ b/prboom2/src/heretic/f_finale.c
@@ -90,7 +90,7 @@ dboolean F_BlockingInput(void)
 
 dboolean Heretic_F_Responder(event_t * event)
 {
-  if (event->type != ev_keydown && event->type != ev_mouseb_down)
+  if (event->type != ev_keydown)
   {
     return false;
   }
diff --git a/prboom2/src/i_video.h b/prboom2/src/i_video.h
index 8fb900137..2cacf3d34 100644
--- a/prboom2/src/i_video.h
+++ b/prboom2/src/i_video.h
@@ -65,7 +65,6 @@ void I_SetPalette(int pal); /* CPhipps - pass down palette number */
 void I_QueueFrameCapture(void);
 void I_QueueScreenshot(void);
 void I_HandleCapture(void);
-void I_DelayEvent(void);
 
 void I_FinishUpdate (void);
 
diff --git a/prboom2/src/m_menu.c b/prboom2/src/m_menu.c
index 3805a9600..95b87eb10 100644
--- a/prboom2/src/m_menu.c
+++ b/prboom2/src/m_menu.c
@@ -5624,14 +5624,14 @@ int M_EventToCharacter(event_t* ev)
       }
     }
   }
-  else if (ev->type == ev_keydown || ev->type == ev_mouseb_down)
+  else if (ev->type == ev_keydown)
   {
     if (ev->data1.i == KEYD_RSHIFT) // phares 4/11/98
       shiftdown = true;
 
     return ev->data1.i;
   }
-  else if (ev->type == ev_keyup || ev->type == ev_mouseb_up)
+  else if (ev->type == ev_keyup)
   {
     if (ev->data1.i == KEYD_RSHIFT) // phares 4/11/98
       shiftdown = false;