Fix #456

lua/cmp/config.lua

@@ -74,21 +74,16 @@ end
 ---@param name string
 ---@return cmp.SourceConfig
 config.get_source_config = function(name)
-  local bufnr = vim.api.nvim_get_current_buf()
-  local global = config.global
-  local buffer = config.buffers[bufnr] or { revision = 1 }
-  return config.cache:ensure({ 'get_source_config', bufnr, global.revision or 0, buffer.revision or 0, name }, function()
-    local c = config.get()
-    for _, s in ipairs(c.sources) do
-      if s.name == name then
-        if type(s.opts) ~= 'table' then
-          s.opts = {}
-        end
-        return s
+  local c = config.get()
+  for _, s in ipairs(c.sources) do
+    if s.name == name then
+      if type(s.opts) ~= 'table' then
+        s.opts = {}
       end
+      return s
     end
-    return nil
-  end)
+  end
+  return nil
 end
 
 ---Normalize mapping key