diff --git a/src/term.c b/src/term.c
index 8ee9264..c058171 100644
--- a/src/term.c
+++ b/src/term.c
@@ -2126,13 +2126,11 @@
 	has_mouse_termcode |= HMT_URXVT;
     else
 #   endif
-#   ifdef FEAT_MOUSE_SGR
     if (n == KS_SGR_MOUSE)
 	has_mouse_termcode |= HMT_SGR;
     else if (n == KS_SGR_MOUSE_RELEASE)
 	has_mouse_termcode |= HMT_SGR_REL;
     else
-#   endif
 	has_mouse_termcode |= HMT_NORMAL;
 #  endif
 }
@@ -2175,13 +2173,11 @@
 	has_mouse_termcode &= ~HMT_URXVT;
     else
 #   endif
-#   ifdef FEAT_MOUSE_SGR
     if (n == KS_SGR_MOUSE)
 	has_mouse_termcode &= ~HMT_SGR;
     else if (n == KS_SGR_MOUSE_RELEASE)
 	has_mouse_termcode &= ~HMT_SGR_REL;
     else
-#   endif
 	has_mouse_termcode &= ~HMT_NORMAL;
 #  endif
 }
@@ -4690,7 +4686,6 @@
 		    if (tp[1 + (tp[0] != CSI)] == '>' && semicols == 2)
 		    {
 			int need_flush = FALSE;
-# ifdef FEAT_MOUSE_SGR
 			int is_iterm2 = FALSE;
 			int is_mintty = FALSE;
 
@@ -4698,7 +4693,6 @@
 			// (77 is ASCII 'M' for mintty.)
 			if (STRNCMP(tp + extra - 3, "77;", 3) == 0)
 			    is_mintty = TRUE;
-# endif
 
 			/* if xterm version >= 141 try to get termcap codes */
 			if (version >= 141)
@@ -4718,12 +4712,10 @@
 			     * 256, libvterm supports even more. */
 			    if (mch_getenv((char_u *)"COLORS") == NULL)
 				may_adjust_color_count(256);
-# ifdef FEAT_MOUSE_SGR
 			    /* Libvterm can handle SGR mouse reporting. */
 			    if (!option_was_set((char_u *)"ttym"))
 				set_option_value((char_u *)"ttym", 0L,
 							   (char_u *)"sgr", 0);
-# endif
 			}
 
 			if (version == 95)
@@ -4734,14 +4726,11 @@
 				is_not_xterm = TRUE;
 				is_mac_terminal = TRUE;
 			    }
-# ifdef FEAT_MOUSE_SGR
 			    // iTerm2 sends 0;95;0
 			    if (STRNCMP(tp + extra - 2, "0;95;0c", 7) == 0)
 				is_iterm2 = TRUE;
-			    else
-# endif
 			    // old iTerm2 sends 0;95;
-			    if (STRNCMP(tp + extra - 2, "0;95;c", 6) == 0)
+			    else if (STRNCMP(tp + extra - 2, "0;95;c", 6) == 0)
 				is_not_xterm = TRUE;
 			}
 
@@ -4749,17 +4738,14 @@
 			 * by the user already. */
 			if (!option_was_set((char_u *)"ttym"))
 			{
-# ifdef FEAT_MOUSE_SGR
 			    /* Xterm version 277 supports SGR.  Also support
 			     * Terminal.app, iTerm2 and mintty. */
 			    if (version >= 277 || is_iterm2 || is_mac_terminal
 				    || is_mintty)
 				set_option_value((char_u *)"ttym", 0L,
 							  (char_u *)"sgr", 0);
-			    else
-# endif
 			    /* if xterm version >= 95 use mouse dragging */
-			    if (version >= 95)
+			    else if (version >= 95)
 				set_option_value((char_u *)"ttym", 0L,
 						       (char_u *)"xterm2", 0);
 			}
@@ -5127,11 +5113,8 @@
 # ifdef FEAT_MOUSE_URXVT
 		|| key_name[0] == KS_URXVT_MOUSE
 # endif
-# ifdef FEAT_MOUSE_SGR
 		|| key_name[0] == KS_SGR_MOUSE
-		|| key_name[0] == KS_SGR_MOUSE_RELEASE
-# endif
-		)
+		|| key_name[0] == KS_SGR_MOUSE_RELEASE)
 	{
 	    is_click = is_drag = FALSE;
 
@@ -5163,7 +5146,7 @@
 		 */
 		for (;;)
 		{
-#ifdef FEAT_GUI
+#  ifdef FEAT_GUI
 		    if (gui.in_use)
 		    {
 			/* GUI uses more bits for columns > 223 */
@@ -5177,7 +5160,7 @@
 							 + bytes[4] - ' ' - 1;
 		    }
 		    else
-#endif
+#  endif
 		    {
 			num_bytes = get_bytes_from_buf(tp + slen, bytes, 3);
 			if (num_bytes == -1)	/* not enough coordinates */
@@ -5191,21 +5174,21 @@
 		    /* If the following bytes is also a mouse code and it has
 		     * the same code, dump this one and get the next.  This
 		     * makes dragging a whole lot faster. */
-#ifdef FEAT_GUI
+#  ifdef FEAT_GUI
 		    if (gui.in_use)
 			j = 3;
 		    else
-#endif
+#  endif
 			j = termcodes[idx].len;
 		    if (STRNCMP(tp, tp + slen, (size_t)j) == 0
 			    && tp[slen + j] == mouse_code
 			    && tp[slen + j + 1] != NUL
 			    && tp[slen + j + 2] != NUL
-#ifdef FEAT_GUI
+#  ifdef FEAT_GUI
 			    && (!gui.in_use
 				|| (tp[slen + j + 3] != NUL
 					&& tp[slen + j + 4] != NUL))
-#endif
+#  endif
 			    )
 			slen += j;
 		    else
@@ -5213,7 +5196,6 @@
 		}
 	    }
 
-# if defined(FEAT_MOUSE_URXVT) || defined(FEAT_MOUSE_SGR)
 	    if (key_name[0] == KS_URXVT_MOUSE
 		|| key_name[0] == KS_SGR_MOUSE
 		|| key_name[0] == KS_SGR_MOUSE_RELEASE)
@@ -5267,17 +5249,13 @@
 		 * modifier keys (alt/shift/ctrl/meta) state. */
 		modifiers = 0;
 	    }
-# endif
 
 	if (key_name[0] == (int)KS_MOUSE
-#ifdef FEAT_MOUSE_URXVT
+#  ifdef FEAT_MOUSE_URXVT
 	    || key_name[0] == (int)KS_URXVT_MOUSE
-#endif
-#ifdef FEAT_MOUSE_SGR
+#  endif
 	    || key_name[0] == KS_SGR_MOUSE
-	    || key_name[0] == KS_SGR_MOUSE_RELEASE
-#endif
-	    )
+	    || key_name[0] == KS_SGR_MOUSE_RELEASE)
 	{
 #  if !defined(MSWIN)
 		/*