diff --git a/src/fennel-ls.fnl b/src/fennel-ls.fnl
index 9981218..5de2ded 100644
--- a/src/fennel-ls.fnl
+++ b/src/fennel-ls.fnl
@@ -31,10 +31,10 @@
 
 (λ main-loop [in out]
   (local send (partial json-rpc.write out))
-  (local state [])
+  (local server {})
   (while true
     (let [msg (json-rpc.read in)]
-      (dispatch.handle state send msg))))
+      (dispatch.handle server send msg))))
 
 (λ main []
   (case arg
diff --git a/src/fennel-ls/files.fnl b/src/fennel-ls/files.fnl
index 59524f6..67c2086 100644
--- a/src/fennel-ls/files.fnl
+++ b/src/fennel-ls/files.fnl
@@ -18,7 +18,7 @@ in the \"server\" object."
                       (let [body (file:read :*a)]
                         (file:close)
                         body)
-                      (error (.. "failed to open file" uri)))))]
+                      (error (.. "failed to open file " uri)))))]
     {: uri : text}))
 
 (λ get-by-uri [server uri]
diff --git a/test/code-action.fnl b/test/code-action.fnl
index ddc5e0b..a04cce2 100644
--- a/test/code-action.fnl
+++ b/test/code-action.fnl
@@ -36,6 +36,11 @@
          "(let [x 0]
             (print x))"))
 
+(fn test-fix-unused-definition []
+  (check "(local x==== 10)"
+         "unused-definition"
+         "(local _x 10)"))
+
 ; (fn test-fix-method-function []
 ;   (check "(local x {})
 ;           (fn x:y [a b c]
@@ -45,4 +50,5 @@
 ;           (fn x.y [client a b c]
 ;             (print client a b c))"))
 
-{: test-fix-op-no-arguments}
+{: test-fix-op-no-arguments
+ : test-fix-unused-definition}
diff --git a/test/init.fnl b/test/init.fnl
index 4fd7b6c..a1a547e 100644
--- a/test/init.fnl
+++ b/test/init.fnl
@@ -1,14 +1,3 @@
-(local fennel (require :fennel))
-(set debug.traceback fennel.traceback)
-(local old-debug-getinfo debug.getinfo)
-(fn debug.getinfo [x]
-  (let [{: sourcemap} (require :fennel.compiler)
-        info (old-debug-getinfo (+ 1 x))]
-    (when info
-      (set info.currentline (or (?. sourcemap info.source info.currentline 2) info.currentline))
-      (set info.linedefined (or (?. sourcemap info.source info.linedefined 2) info.linedefined)))
-    info))
-
 (local faith (require :faith))
 
 (faith.run
diff --git a/tools/util/sh.fnl b/tools/util/sh.fnl
index 4251fce..86c6f32 100644
--- a/tools/util/sh.fnl
+++ b/tools/util/sh.fnl
@@ -15,6 +15,6 @@
                             "'")))
                   " ")]
     (print (.. "running command: " command))
-    (os.execute command)))
+    (assert (os.execute command))))
 
 {: sh}