diff --git a/ffplay.c b/ffplay.c
index e036bbdf94..4ccad0618d 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -56,9 +56,6 @@
 const char program_name[] = "ffplay";
 const int program_birth_year = 2003;
 
-//#define DEBUG
-//#define DEBUG_SYNC
-
 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
 #define MIN_FRAMES 5
@@ -2056,7 +2053,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
             n = 2 * dec->channels;
             is->audio_clock += (double)data_size /
                 (double)(n * dec->sample_rate);
-#if defined(DEBUG_SYNC)
+#ifdef DEBUG
             {
                 static double last_clock;
                 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c
index 2c27f6b527..b6b57b8915 100644
--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -26,7 +26,6 @@
 
 //#define DEBUG
 //#define DEBUG_PACKET_CONTENTS
-//#define DEBUG_SAVE_IMAGES
 
 #define DVBSUB_PAGE_SEGMENT     0x10
 #define DVBSUB_REGION_SEGMENT   0x11
@@ -37,7 +36,7 @@
 
 #define cm (ff_cropTbl + MAX_NEG_CROP)
 
-#ifdef DEBUG_SAVE_IMAGES
+#ifdef DEBUG
 #undef fprintf
 #if 0
 static void png_save(const char *filename, uint8_t *bitmap, int w, int h,
@@ -1174,7 +1173,7 @@ static void dvbsub_parse_page_segment(AVCodecContext *avctx,
 }
 
 
-#ifdef DEBUG_SAVE_IMAGES
+#ifdef DEBUG
 static void save_display_set(DVBSubContext *ctx)
 {
     DVBSubRegion *region;
@@ -1387,7 +1386,7 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf,
 
     sub->num_rects = i;
 
-#ifdef DEBUG_SAVE_IMAGES
+#ifdef DEBUG
     save_display_set(ctx);
 #endif
 
diff --git a/libavcodec/ppc/h264_template_altivec.c b/libavcodec/ppc/h264_template_altivec.c
index 020d7c7023..2a8f4bf672 100644
--- a/libavcodec/ppc/h264_template_altivec.c
+++ b/libavcodec/ppc/h264_template_altivec.c
@@ -18,8 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-//#define DEBUG_ALIGNMENT
-#ifdef DEBUG_ALIGNMENT
+#ifdef DEBUG
 #define ASSERT_ALIGNED(ptr) assert(((unsigned long)ptr&0x0000000F));
 #else
 #define ASSERT_ALIGNED(ptr) ;
diff --git a/libavformat/rtspdec.c b/libavformat/rtspdec.c
index fa6bc05517..9cd9be1d4b 100644
--- a/libavformat/rtspdec.c
+++ b/libavformat/rtspdec.c
@@ -31,9 +31,6 @@
 #include "rdt.h"
 #include "url.h"
 
-//#define DEBUG
-//#define DEBUG_RTP_TCP
-
 static int rtsp_read_play(AVFormatContext *s)
 {
     RTSPState *rt = s->priv_data;
@@ -191,9 +188,7 @@ int ff_rtsp_tcp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
     int id, len, i, ret;
     RTSPStream *rtsp_st;
 
-#ifdef DEBUG_RTP_TCP
     av_dlog(s, "tcp_read_packet:\n");
-#endif
 redo:
     for (;;) {
         RTSPMessageHeader reply;
@@ -212,9 +207,7 @@ redo:
         return -1;
     id  = buf[0];
     len = AV_RB16(buf + 1);
-#ifdef DEBUG_RTP_TCP
     av_dlog(s, "id=%d len=%d\n", id, len);
-#endif
     if (len > buf_size || len < 12)
         goto redo;
     /* get the data */