diff --git a/lua/core/mappings.lua b/lua/core/mappings.lua
index a71a936..be3e3e1 100644
--- a/lua/core/mappings.lua
+++ b/lua/core/mappings.lua
@@ -23,13 +23,6 @@ M.general = {
     },
 }
 
-M.bufferline = {
-    plugin = true,
-    n = {
-        ["<S-Tab>" ] = {"<cmd> :BufferLineCycleNext <CR>"}
-    }
-}
-
 M.nvimtree = {
   plugin = true,
 
@@ -283,6 +276,18 @@ M.lspconfig = {
   },
 }
 
+M.rust = {
+    plugin = true,
+    n = {
+    ["<leader>rr"] = { "<cmd> RustRun <CR>", "RustRun"},
+    ["<leader>rR"] = { "<cmd> RustRunnables <CR>", "RustRunnables"},
+    ["<leader>rd"] = { "<cmd> RustDebuggables <CR>", "RustDebuggables"},
+    ["<leader>rha"] = { "<cmd> RustHoverActions <CR>", "RustHoverActions"},
+    ["<leader>roc"] = { "<cmd> RustOpenCargo <CR>", "RustOpenCargo"},
+    ["<leader>rcg"] = { "<cmd> RustViewCrateGraph <CR>", "RustViewCrateGraph"},
+    },
+}
+
 M.blankline = {
   plugin = true,
 
diff --git a/lua/core/options.lua b/lua/core/options.lua
index a4dfb1e..8593b11 100644
--- a/lua/core/options.lua
+++ b/lua/core/options.lua
@@ -13,6 +13,11 @@ opt.title = true
 opt.cmdheight = 1
 opt.clipboard = "unnamedplus"
 opt.cul = true -- cursor line
+opt.mouse = opt.mouse + "nv" -- mouse scrolling
+opt.ignorecase = true
+opt.smartcase = true
+opt.showmode = false
+opt.incsearch = true
 
 -- numbers
 opt.number = true
diff --git a/lua/plugins/init.lua b/lua/plugins/init.lua
index 0fee571..3a6b5d0 100644
--- a/lua/plugins/init.lua
+++ b/lua/plugins/init.lua
@@ -66,6 +66,7 @@ local plugins = {
      after = "nvim-lspconfig",
      config = function ()
          require("plugins.configs.rust-tools")
+         require("core.utils").load_mappings "rust"
          require("core.utils").load_mappings "lspconfig"
      end,
    },