diff --git a/infer/src/backend/inferanalyze.ml b/infer/src/backend/inferanalyze.ml
index 64a0aca56..9f5c52053 100644
--- a/infer/src/backend/inferanalyze.ml
+++ b/infer/src/backend/inferanalyze.ml
@@ -667,9 +667,31 @@ let close_output_file = function
   | None -> ()
   | Some (fmt, cout) -> close_out cout
 
-let log_dir_name = "log"
-let analyzer_out_name = "analyzer_out"
-let analyzer_err_name = "analyzer_err"
+let setup_logging () =
+  if !Config.developer_mode then
+    let log_dir_name = "log" in
+    let analyzer_out_name = "analyzer_out" in
+    let analyzer_err_name = "analyzer_err" in
+    let log_dir = DB.filename_to_string (DB.Results_dir.path_to_filename DB.Results_dir.Abs_root [log_dir_name]) in
+    DB.create_dir log_dir;
+    let analyzer_out_file =
+      if !out_file_cmdline = "" then Filename.concat log_dir analyzer_out_name
+    else !out_file_cmdline in
+    let analyzer_err_file =
+      if !err_file_cmdline = "" then Filename.concat log_dir analyzer_err_name
+      else !err_file_cmdline in
+    let analyzer_out_of = open_output_file Logging.set_out_formatter analyzer_out_file in
+    let analyzer_err_of = open_output_file Logging.set_err_formatter analyzer_err_file in
+    analyzer_out_of, analyzer_err_of
+  else None, None
+
+let teardown_logging analyzer_out_of analyzer_err_of =
+  if !Config.developer_mode then
+    begin
+      L.flush_streams ();
+      close_output_file analyzer_out_of;
+      close_output_file analyzer_err_of;
+    end
 
 (** Compute clusters when on-demand is active.
     Each cluster will contain only the name of the directory for a file. *)
@@ -703,16 +725,7 @@ let () =
   if !allow_specs_cleanup = true && !incremental_mode = ANALYZE_ALL && !cluster_cmdline = None then
     DB.Results_dir.clean_specs_dir ();
 
-  let log_dir = DB.filename_to_string (DB.Results_dir.path_to_filename DB.Results_dir.Abs_root [log_dir_name]) in
-  DB.create_dir log_dir;
-  let analyzer_out_file =
-    if !out_file_cmdline = "" then Filename.concat log_dir analyzer_out_name
-    else !out_file_cmdline in
-  let analyzer_err_file =
-    if !err_file_cmdline = "" then Filename.concat log_dir analyzer_err_name
-    else !err_file_cmdline in
-  let analyzer_out_of = open_output_file Logging.set_out_formatter analyzer_out_file in
-  let analyzer_err_of = open_output_file Logging.set_err_formatter analyzer_err_file in
+  let analyzer_out_of, analyzer_err_of = setup_logging () in
   if (!Config.curr_language = Config.C_CPP) then Mleak_buckets.init_buckets !ml_buckets_arg;
 
   process_cluster_cmdline_exit ();
@@ -744,7 +757,5 @@ let () =
   let tot_clusters = IList.length clusters in
   Fork.tot_files := IList.fold_left (fun n cluster -> n + IList.length cluster) 0 clusters;
   IList.iter (analyze_cluster (ref 0) tot_clusters) clusters;
-  L.flush_streams ();
-  close_output_file analyzer_out_of;
-  close_output_file analyzer_err_of;
+  teardown_logging analyzer_out_of analyzer_err_of;
   if !cluster_cmdline = None then L.stdout "Analysis finished in %as@." pp_elapsed_time ()
diff --git a/infer/src/backend/logging.ml b/infer/src/backend/logging.ml
index d6c03fadb..aff0c538d 100644
--- a/infer/src/backend/logging.ml
+++ b/infer/src/backend/logging.ml
@@ -86,8 +86,11 @@ let set_err_formatter fmt =
 
 (** Flush the current streams *)
 let flush_streams () =
-  F.fprintf !current_out_formatter "@?";
-  F.fprintf !current_err_formatter "@?"
+  if !Config.developer_mode then
+    begin
+      F.fprintf !current_out_formatter "@?";
+      F.fprintf !current_err_formatter "@?"
+    end
 
 (** extend the current print log *)
 let add_print_action pact =
@@ -103,21 +106,24 @@ let get_delayed_prints () =
   !delayed_actions
 
 let do_print fmt fmt_string =
-  F.fprintf fmt fmt_string
+  if !Config.developer_mode then
+    F.fprintf fmt fmt_string
+  else
+    F.ifprintf fmt fmt_string
 
-(** print on the out stream *)
+(** print to the current out stream (note: only prints in developer mode) *)
 let out fmt_string =
   do_print !current_out_formatter fmt_string
 
-(** print on the err stream *)
+(** print to the current err stream (note: only prints in developer mode) *)
 let err fmt_string =
   do_print !current_err_formatter fmt_string
 
-(** print immediately to standard error *)
+(** print immediately to standard error (note: only prints in developer mode) *)
 let stderr fmt_string =
   do_print F.err_formatter fmt_string
 
-(** print immediately to standard output *)
+(** print immediately to standard output (note: only prints in developer mode) *)
 let stdout fmt_string =
   do_print F.std_formatter fmt_string
 
diff --git a/infer/src/backend/logging.mli b/infer/src/backend/logging.mli
index d145f8314..c80285f51 100644
--- a/infer/src/backend/logging.mli
+++ b/infer/src/backend/logging.mli
@@ -68,16 +68,16 @@ val get_delayed_prints : unit -> print_action list
 (** reset the delayed print actions *)
 val reset_delayed_prints : unit -> unit
 
-(** print to the current out stream *)
+(** print to the current out stream (note: only prints in developer mode) *)
 val out : ('a, Format.formatter, unit) format -> 'a
 
-(** print to the current err stream *)
+(** print to the current err stream (note: only prints in developer mode) *)
 val err : ('a, Format.formatter, unit) format -> 'a
 
-(** print immediately to standard error *)
+(** print immediately to standard error (note: only prints in developer mode) *)
 val stderr : ('a, Format.formatter, unit) format -> 'a
 
-(** print immediately to standard output *)
+(** print immediately to standard output (note: only prints in developer mode) *)
 val stdout : ('a, Format.formatter, unit) format -> 'a
 
 (** Get the current out formatter *)