diff --git a/mythtv/libs/libmythtv/cardutil.cpp b/mythtv/libs/libmythtv/cardutil.cpp
index 572b0a9fd6f..6d09845d601 100644
--- a/mythtv/libs/libmythtv/cardutil.cpp
+++ b/mythtv/libs/libmythtv/cardutil.cpp
@@ -2380,7 +2380,7 @@ QString CardUtil::GetHDHRdesc(const QString &device)
         if (!validID || !hdhomerun_discover_validate_device_id(dev))
             return QObject::tr("Invalid Device ID");
     }
-
+    (void) deviceIsIP;
 
     LOG(VB_GENERAL, LOG_INFO, "CardUtil::GetHDHRdescription(" + device +
                               ") - trying to locate device");
diff --git a/mythtv/libs/libmythtv/mpeg/H264Parser.cpp b/mythtv/libs/libmythtv/mpeg/H264Parser.cpp
index 716b7a1a042..e8dce4363bf 100644
--- a/mythtv/libs/libmythtv/mpeg/H264Parser.cpp
+++ b/mythtv/libs/libmythtv/mpeg/H264Parser.cpp
@@ -574,8 +574,6 @@ void H264Parser::processRBSP(bool rbsp_complete)
 */
 bool H264Parser::decode_Header(GetBitContext *gb)
 {
-    uint first_mb_in_slice;
-
     is_keyframe = false;
 
     if (log2_max_frame_num == 0 || pic_order_present_flag == -1)
@@ -601,7 +599,7 @@ bool H264Parser::decode_Header(GetBitContext *gb)
       that precedes the current slice in decoding order and has the
       same value of colour_plane_id.
      */
-    first_mb_in_slice = get_ue_golomb(gb);
+    //uint first_mb_in_slice = get_ue_golomb(gb);
 
     /*
       slice_type specifies the coding type of the slice according to
@@ -808,7 +806,6 @@ void H264Parser::decode_SPS(GetBitContext * gb)
     int  offset_for_non_ref_pic;
     int  offset_for_top_to_bottom_field;
     uint tmp;
-    bool gaps_in_frame_num_allowed_flag;
 
     /*
       pic_order_cnt_type specifies the method to decode picture order
@@ -866,6 +863,8 @@ void H264Parser::decode_SPS(GetBitContext * gb)
         for (uint idx = 0; idx < tmp; ++idx)
             get_se_golomb(gb);  // offset_for_ref_frame[i]
     }
+    (void) offset_for_non_ref_pic; // suppress unused var warning
+    (void) offset_for_top_to_bottom_field; // suppress unused var warning
 
     /*
       num_ref_frames specifies the maximum number of short-term and
@@ -884,7 +883,7 @@ void H264Parser::decode_SPS(GetBitContext * gb)
       decoding process in case of an inferred gap between values of
       frame_num as specified in subclause 8.2.5.2.
      */
-    gaps_in_frame_num_allowed_flag = get_bits1(gb);
+    //bool gaps_in_frame_num_allowed_flag = get_bits1(gb);
 
     /*
       pic_width_in_mbs_minus1 plus 1 specifies the width of each
@@ -1067,6 +1066,10 @@ void H264Parser::decode_SEI(GetBitContext *gb)
                 break;
         }
     }
+
+    (void) exact_match_flag; // suppress unused var warning
+    (void) broken_link_flag; // suppress unused var warning
+    (void) changing_group_slice_idc; // suppress unused var warning
 }
 
 void H264Parser::vui_parameters(GetBitContext * gb)
diff --git a/mythtv/libs/libmythtv/mythplayer.cpp b/mythtv/libs/libmythtv/mythplayer.cpp
index d7710c60cbc..f714befdd5c 100644
--- a/mythtv/libs/libmythtv/mythplayer.cpp
+++ b/mythtv/libs/libmythtv/mythplayer.cpp
@@ -1571,7 +1571,6 @@ void MythPlayer::EnableForcedSubtitles(bool enable)
 
 void MythPlayer::SetAllowForcedSubtitles(bool allow)
 {
-    bool old = allowForcedSubtitles;
     allowForcedSubtitles = allow;
     SetOSDMessage(allowForcedSubtitles ?
                       tr("Forced Subtitles On") :
diff --git a/mythtv/libs/libmythtv/recorders/dtvrecorder.cpp b/mythtv/libs/libmythtv/recorders/dtvrecorder.cpp
index 8c09092ba10..6e0c3740f83 100644
--- a/mythtv/libs/libmythtv/recorders/dtvrecorder.cpp
+++ b/mythtv/libs/libmythtv/recorders/dtvrecorder.cpp
@@ -426,7 +426,6 @@ bool DTVRecorder::FindMPEG2Keyframes(const TSPacket* tspacket)
     const uint8_t *bufptr = tspacket->data() + tspacket->AFCOffset();
     const uint8_t *bufend = tspacket->data() + TSPacket::kSize;
     int ext_type, bytes_left;
-    int picture_structure, top_field_first, repeat_first_field, progressive_frame;
     _repeat_pict = 0;
 
     while (bufptr < bufend)
@@ -475,10 +474,10 @@ bool DTVRecorder::FindMPEG2Keyframes(const TSPacket* tspacket)
                     case 0x8: /* picture coding extension */
                         if (bytes_left >= 5)
                         {
-                            picture_structure = bufptr[2]&3;
-                            top_field_first = bufptr[3] & (1 << 7);
-                            repeat_first_field = bufptr[3] & (1 << 1);
-                            progressive_frame = bufptr[4] & (1 << 7);
+                            //int picture_structure = bufptr[2]&3;
+                            int top_field_first = bufptr[3] & (1 << 7);
+                            int repeat_first_field = bufptr[3] & (1 << 1);
+                            int progressive_frame = bufptr[4] & (1 << 7);
 
                             /* check if we must repeat the frame */
                             _repeat_pict = 1;