diff --git a/src/capture.c b/src/capture.c
index 294d500..a622dca 100644
--- a/src/capture.c
+++ b/src/capture.c
@@ -976,50 +976,6 @@ dump_close(pcap_dumper_t *pd)
     pcap_dump_close(pd);
 }
 
-const char *
-lookup_hostname(const char *address)
-{
-    int i;
-    int hostlen;
-    in_addr_t netaddress;
-    struct hostent *host;
-    const char *hostname;
-
-    // No lookup enabled, return address as is
-    if (!setting_enabled(SETTING_CAPTURE_LOOKUP))
-        return address;
-
-    // Check if we have already tryied resolve this address
-    for (i = 0; i < capture_cfg.dnscache.count; i++) {
-        if (!strcmp(capture_cfg.dnscache.addr[i], address)) {
-            return capture_cfg.dnscache.hostname[i];
-        }
-    }
-
-    // Convert the address to network byte order
-    if ((netaddress = inet_addr(address)) == -1)
-        return address;
-
-    // Lookup this addres
-    host = gethostbyaddr(&netaddress, sizeof(netaddress), AF_INET);
-    if (!host) {
-        hostname = address;
-    } else {
-        hostname = host->h_name;
-    }
-
-    // Max hostname length set to 16 chars
-    hostlen = strlen(hostname);
-
-    // Store this result in the dnscache
-    strcpy(capture_cfg.dnscache.addr[capture_cfg.dnscache.count], address);
-    strncpy(capture_cfg.dnscache.hostname[capture_cfg.dnscache.count], hostname, hostlen);
-    capture_cfg.dnscache.count++;
-
-    // Return the stored value
-    return capture_cfg.dnscache.hostname[capture_cfg.dnscache.count - 1];
-}
-
 int
 is_local_address_str(const char *address)
 {
diff --git a/src/capture.h b/src/capture.h
index 87aeb6e..1a4a3e3 100644
--- a/src/capture.h
+++ b/src/capture.h
@@ -101,21 +101,6 @@ enum capture_storage {
 typedef struct capture_config capture_config_t;
 //; Shorter declaration of capture_info structure
 typedef struct capture_info capture_info_t;
-//! Shorter declaration of dns_cache structure
-typedef struct dns_cache dns_cache_t;
-
-
-/**
- * @brief Storage for DNS resolved ips
- *
- * Structure to store resolved addresses when capture.lookup
- * configuration option is enabled.
- */
-struct dns_cache {
-    int count;
-    char addr[ADDRESSLEN][256];
-    char hostname[16][256];
-};
 
 /**
  * @brief Capture common configuration
@@ -137,8 +122,6 @@ struct capture_config {
     struct bpf_program fp;
     //! libpcap dump file handler
     pcap_dumper_t *pd;
-    //! Cache for DNS lookups
-    dns_cache_t dnscache;
     //! Local devices pointer
     pcap_if_t *devices;
     //! Capture sources
@@ -441,16 +424,6 @@ dump_packet(pcap_dumper_t *pd, const packet_t *packet);
 void
 dump_close(pcap_dumper_t *pd);
 
-/**
- * @brief Try to get hostname from its address
- *
- * Try to get hostname from the given address, store it in
- * dnscache. If hostname can not be resolved, then store the
- * original address to avoid lookup again the same address.
- */
-const char *
-lookup_hostname(const char *address);
-
 /**
  * @brief Check if a given address belongs to a local device
  *
diff --git a/src/curses/ui_call_flow.c b/src/curses/ui_call_flow.c
index 51301c6..a4d1f87 100644
--- a/src/curses/ui_call_flow.c
+++ b/src/curses/ui_call_flow.c
@@ -1343,11 +1343,10 @@ call_flow_help(PANEL *panel)
     mvwprintw(help_win, 16, 2, "F6/R        Show original call messages in raw mode");
     mvwprintw(help_win, 17, 2, "F7/c        Cycle between available color modes");
     mvwprintw(help_win, 18, 2, "F8/C        Turn on/off message syntax highlighting");
-    mvwprintw(help_win, 19, 2, "F9/l        Turn on/off resolved addresses");
-    mvwprintw(help_win, 20, 2, "9/0         Increase/Decrease raw preview size");
-    mvwprintw(help_win, 21, 2, "t           Toggle raw preview display");
-    mvwprintw(help_win, 22, 2, "T           Restore raw preview size");
-    mvwprintw(help_win, 23, 2, "D           Only show SDP messages");
+    mvwprintw(help_win, 19, 2, "9/0         Increase/Decrease raw preview size");
+    mvwprintw(help_win, 20, 2, "t           Toggle raw preview display");
+    mvwprintw(help_win, 21, 2, "T           Restore raw preview size");
+    mvwprintw(help_win, 22, 2, "D           Only show SDP messages");
 
 
     // Press any key to close
diff --git a/src/curses/ui_call_list.c b/src/curses/ui_call_list.c
index 75aa001..06f2003 100644
--- a/src/curses/ui_call_list.c
+++ b/src/curses/ui_call_list.c
@@ -804,10 +804,9 @@ call_list_help(PANEL *panel)
     mvwprintw(help_win, 18, 2, "F6/R        Show selected call messages in raw mode");
     mvwprintw(help_win, 19, 2, "F7/F        Show filter options");
     mvwprintw(help_win, 20, 2, "F8/c        Turn on/off window colours");
-    mvwprintw(help_win, 21, 2, "F9/l        Turn on/off resolved addresses");
-    mvwprintw(help_win, 22, 2, "F10/t       Select displayed columns");
-    mvwprintw(help_win, 23, 2, "i/I         Set display filter to invite");
-    mvwprintw(help_win, 24, 2, "p           Stop/Resume packet capture");
+    mvwprintw(help_win, 21, 2, "F10/t       Select displayed columns");
+    mvwprintw(help_win, 22, 2, "i/I         Set display filter to invite");
+    mvwprintw(help_win, 23, 2, "p           Stop/Resume packet capture");
 
     // Press any key to close
     wgetch(help_win);
diff --git a/src/curses/ui_call_raw.c b/src/curses/ui_call_raw.c
index 4ca113a..e0bc7b1 100644
--- a/src/curses/ui_call_raw.c
+++ b/src/curses/ui_call_raw.c
@@ -235,16 +235,6 @@ call_raw_handle_key(PANEL *panel, int key)
                 // Prev page => N key up strokes
                 info->scroll -= rnpag_steps;
                 break;
-            case ACTION_SHOW_HOSTNAMES:
-                // Tooggle Host/Address display
-                setting_toggle(SETTING_DISPLAY_HOST);
-                // Force refresh panel
-                if (info->group) {
-                    call_raw_set_group(info->group);
-                } else {
-                    call_raw_set_msg(info->msg);
-                }
-                break;
             case ACTION_SAVE:
                 if (info->group) {
                     // KEY_S, Display save panel
diff --git a/src/curses/ui_manager.c b/src/curses/ui_manager.c
index 26be3ea..53883dc 100644
--- a/src/curses/ui_manager.c
+++ b/src/curses/ui_manager.c
@@ -363,9 +363,6 @@ default_handle_key(ui_t *ui, int key)
             case ACTION_CYCLE_COLOR:
                 setting_toggle(SETTING_COLORMODE);
                 break;
-            case ACTION_SHOW_HOSTNAMES:
-                setting_toggle(SETTING_DISPLAY_HOST);
-                break;
             case ACTION_SHOW_ALIAS:
                 setting_toggle(SETTING_DISPLAY_ALIAS);
                 break;
diff --git a/src/curses/ui_settings.c b/src/curses/ui_settings.c
index e19f95f..134b048 100644
--- a/src/curses/ui_settings.c
+++ b/src/curses/ui_settings.c
@@ -60,12 +60,10 @@ settings_entry_t entries[] = {
     { CAT_SETTINGS_INTERFACE,  FLD_SETTINGS_ALTKEY_HINT,        SETTING_ALTKEY_HINT,        "Alternative keybinding hints .............." },
     { CAT_SETTINGS_INTERFACE,  FLD_SETTINGS_COLORMODE,          SETTING_COLORMODE,          "Default message color mode ................" },
     { CAT_SETTINGS_INTERFACE,  FLD_SETTINGS_EXITPROMPT,         SETTING_EXITPROMPT,         "Always prompt on quit ....................." },
-    { CAT_SETTINGS_INTERFACE,  FLD_SETTINGS_DISPLAY_HOST,       SETTING_DISPLAY_HOST,       "Replace addresses with resolved hosts ....." },
     { CAT_SETTINGS_INTERFACE,  FLD_SETTINGS_DISPLAY_ALIAS,      SETTING_DISPLAY_ALIAS,      "Replace addresses with alias .............." },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_CAPTURE_RTP,        SETTING_CAPTURE_RTP,        "Capture RTP packets * ....................." },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_CAPTURE_LIMIT,      SETTING_CAPTURE_LIMIT,      "Max dialogs * ............................." },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_CAPTURE_DEVICE,     SETTING_CAPTURE_DEVICE,     "Capture device * .........................." },
-    { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_CAPTURE_LOOKUP,     SETTING_CAPTURE_LOOKUP,     "Resolved IP Addresses * ..................." },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_SIP_NOINCOMPLETE,   SETTING_SIP_NOINCOMPLETE,   "Capture full transactions ................." },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_SIP_CALLS,          SETTING_SIP_CALLS,          "Only capture calls * ......................" },
     { CAT_SETTINGS_CAPTURE,    FLD_SETTINGS_SAVEPATH,           SETTING_SAVEPATH,           "Default Save path ........................." },
diff --git a/src/curses/ui_settings.h b/src/curses/ui_settings.h
index 0da15d5..231f5d1 100644
--- a/src/curses/ui_settings.h
+++ b/src/curses/ui_settings.h
@@ -70,8 +70,6 @@ enum settings_field_list {
     FLD_SETTINGS_COLORMODE_LB,
     FLD_SETTINGS_EXITPROMPT,
     FLD_SETTINGS_EXITPROMPT_LB,
-    FLD_SETTINGS_DISPLAY_HOST,
-    FLD_SETTINGS_DISPLAY_HOST_LB,
     FLD_SETTINGS_DISPLAY_ALIAS,
     FLD_SETTINGS_DISPLAY_ALIAS_LB,
     FLD_SETTINGS_CAPTURE_RTP,
@@ -80,8 +78,6 @@ enum settings_field_list {
     FLD_SETTINGS_CAPTURE_LIMIT_LB,
     FLD_SETTINGS_CAPTURE_DEVICE,
     FLD_SETTINGS_CAPTURE_DEVICE_LB,
-    FLD_SETTINGS_CAPTURE_LOOKUP,
-    FLD_SETTINGS_CAPTURE_LOOKUP_LB,
     FLD_SETTINGS_SIP_NOINCOMPLETE,
     FLD_SETTINGS_SIP_NOINCOMPLETE_LB,
     FLD_SETTINGS_SIP_CALLS,
diff --git a/src/keybinding.c b/src/keybinding.c
index 42eeb0b..92c1a58 100644
--- a/src/keybinding.c
+++ b/src/keybinding.c
@@ -58,7 +58,6 @@ key_binding_t bindings[ACTION_SENTINEL] = {
    { ACTION_TOGGLE_SYNTAX,  "togglesyntax", { KEY_F(8), 'C' }, 2 },
    { ACTION_CYCLE_COLOR,    "colormode",    { 'c' }, 1 },
    { ACTION_COMPRESS,       "compress",     { 's' }, 1 },
-   { ACTION_SHOW_HOSTNAMES, "togglehostname", { KEY_F(9) }, 1 },
    { ACTION_SHOW_ALIAS,     "togglealias",  { 'a' }, 1 },
    { ACTION_TOGGLE_PAUSE,   "pause",        { 'p' }, 1 },
    { ACTION_PREV_SCREEN,    "prevscreen",   { KEY_ESC, 'q', 'Q' }, 3 },
diff --git a/src/setting.c b/src/setting.c
index 070f9a0..c35376f 100644
--- a/src/setting.c
+++ b/src/setting.c
@@ -44,7 +44,6 @@ setting_t settings[SETTING_COUNT] = {
     { SETTING_ALTKEY_HINT,        "hintkeyalt",         SETTING_FMT_ENUM,    SETTING_OFF, SETTING_ENUM_ONOFF },
     { SETTING_EXITPROMPT,         "exitprompt",         SETTING_FMT_ENUM,    SETTING_ON,  SETTING_ENUM_ONOFF },
     { SETTING_CAPTURE_LIMIT,      "capture.limit",      SETTING_FMT_NUMBER,  "20000",     NULL },
-    { SETTING_CAPTURE_LOOKUP,     "capture.lookup",     SETTING_FMT_ENUM,    SETTING_OFF, SETTING_ENUM_ONOFF },
     { SETTING_CAPTURE_DEVICE,     "capture.device",     SETTING_FMT_STRING,  "any",       NULL },
     { SETTING_CAPTURE_OUTFILE,    "capture.outfile",    SETTING_FMT_STRING,  "",          NULL },
     { SETTING_CAPTURE_KEYFILE,    "capture.keyfile",    SETTING_FMT_STRING,  "",          NULL },
@@ -53,7 +52,6 @@ setting_t settings[SETTING_COUNT] = {
     { SETTING_SIP_NOINCOMPLETE,   "sip.noincomplete",   SETTING_FMT_ENUM,    SETTING_ON,  SETTING_ENUM_ONOFF },
     { SETTING_SIP_CALLS,          "sip.calls",          SETTING_FMT_ENUM,    SETTING_OFF, SETTING_ENUM_ONOFF },
     { SETTING_SAVEPATH,           "savepath",           SETTING_FMT_STRING,  "",          NULL },
-    { SETTING_DISPLAY_HOST,       "displayhost",        SETTING_FMT_ENUM,    SETTING_OFF, SETTING_ENUM_ONOFF },
     { SETTING_DISPLAY_ALIAS,      "displayalias",       SETTING_FMT_ENUM,    SETTING_OFF, SETTING_ENUM_ONOFF },
     { SETTING_CL_SCROLLSTEP,      "cl.scrollstep",      SETTING_FMT_NUMBER,  "4",         NULL },
     { SETTING_CL_COLORATTR,       "cl.colorattr",       SETTING_FMT_ENUM,    SETTING_ON,  SETTING_ENUM_ONOFF },
diff --git a/src/setting.h b/src/setting.h
index 5cf883a..4fb981c 100644
--- a/src/setting.h
+++ b/src/setting.h
@@ -75,7 +75,6 @@ enum setting_id {
     SETTING_ALTKEY_HINT,
     SETTING_EXITPROMPT,
     SETTING_CAPTURE_LIMIT,
-    SETTING_CAPTURE_LOOKUP,
     SETTING_CAPTURE_DEVICE,
     SETTING_CAPTURE_OUTFILE,
     SETTING_CAPTURE_KEYFILE,
@@ -84,7 +83,6 @@ enum setting_id {
     SETTING_SIP_NOINCOMPLETE,
     SETTING_SIP_CALLS,
     SETTING_SAVEPATH,
-    SETTING_DISPLAY_HOST,
     SETTING_DISPLAY_ALIAS,
     SETTING_CL_SCROLLSTEP,
     SETTING_CL_COLORATTR,
diff --git a/src/sip.c b/src/sip.c
index 0bcf3d6..dcd0f35 100644
--- a/src/sip.c
+++ b/src/sip.c
@@ -717,8 +717,6 @@ sip_address_format(const char *address)
     // Return address formatted depending on active settings
     if (setting_enabled(SETTING_DISPLAY_ALIAS)) {
         return get_alias_value(address);
-    } else if (setting_enabled(SETTING_DISPLAY_HOST)) {
-        return lookup_hostname(address);
     } else {
         return address;
     }