diff --git a/config/config.h.in b/config/config.h.in
index 54a405727d..c234501820 100644
--- a/config/config.h.in
+++ b/config/config.h.in
@@ -53,7 +53,6 @@
 #cmakedefine HAVE_WORKING_LIBINTL
 #cmakedefine UNIX
 #cmakedefine USE_FNAME_CASE
-#define USEMAN_S 1
 
 #define FEAT_BROWSE
 #define FEAT_CSCOPE
diff --git a/src/nvim/options.lua b/src/nvim/options.lua
index 14f912f9e8..723736d376 100644
--- a/src/nvim/options.lua
+++ b/src/nvim/options.lua
@@ -1329,9 +1329,7 @@ return {
       expand=true,
       varname='p_kp',
       defaults={
-        condition='USEMAN_S',
         if_true={vi="man -s"},
-        if_false={vi="man"},
       }
     },
     {