diff --git a/gstreamer/src/buffer.rs b/gstreamer/src/buffer.rs
index 68194b34b..80d89ac2a 100644
--- a/gstreamer/src/buffer.rs
+++ b/gstreamer/src/buffer.rs
@@ -941,9 +941,9 @@ impl fmt::Debug for BufferRef {
 
         f.debug_struct("Buffer")
             .field("ptr", unsafe { &self.as_ptr() })
-            .field("pts", &self.pts().display().to_string())
-            .field("dts", &self.dts().display().to_string())
-            .field("duration", &self.duration().display().to_string())
+            .field("pts", &self.pts().display())
+            .field("dts", &self.dts().display())
+            .field("duration", &self.duration().display())
             .field("size", &self.size())
             .field("offset", &self.offset())
             .field("offset_end", &self.offset_end())
diff --git a/gstreamer/src/bufferlist.rs b/gstreamer/src/bufferlist.rs
index c6fed6117..41d86a742 100644
--- a/gstreamer/src/bufferlist.rs
+++ b/gstreamer/src/bufferlist.rs
@@ -197,8 +197,8 @@ impl fmt::Debug for BufferListRef {
         f.debug_struct("BufferList")
             .field("ptr", unsafe { &self.as_ptr() })
             .field("buffers", &self.len())
-            .field("pts", &pts.display().to_string())
-            .field("dts", &dts.display().to_string())
+            .field("pts", &pts.display())
+            .field("dts", &dts.display())
             .field("size", &size)
             .finish()
     }
diff --git a/gstreamer/src/clock_time.rs b/gstreamer/src/clock_time.rs
index 461eafcd8..0d7c18f33 100644
--- a/gstreamer/src/clock_time.rs
+++ b/gstreamer/src/clock_time.rs
@@ -7,7 +7,7 @@ use std::io::{self, prelude::*};
 use std::time::Duration;
 use std::{cmp, convert, fmt, str};
 
-#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Debug, Default)]
+#[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Default)]
 pub struct ClockTime(pub(crate) u64);
 
 impl ClockTime {
@@ -419,7 +419,12 @@ impl fmt::Display for ClockTime {
     }
 }
 
-#[derive(Debug)]
+impl fmt::Debug for ClockTime {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 pub struct DisplayableOptClockTime(Option<ClockTime>);
 
 impl fmt::Display for DisplayableOptClockTime {
@@ -428,6 +433,12 @@ impl fmt::Display for DisplayableOptClockTime {
     }
 }
 
+impl fmt::Debug for DisplayableOptClockTime {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 impl crate::utils::Displayable for Option<ClockTime> {
     type DisplayImpl = DisplayableOptClockTime;
 
diff --git a/gstreamer/src/meta.rs b/gstreamer/src/meta.rs
index 42e8e9744..b08403404 100644
--- a/gstreamer/src/meta.rs
+++ b/gstreamer/src/meta.rs
@@ -503,8 +503,8 @@ impl fmt::Debug for ReferenceTimestampMeta {
 
         f.debug_struct("ReferenceTimestampMeta")
             .field("reference", &self.reference())
-            .field("timestamp", &self.timestamp().display().to_string())
-            .field("duration", &self.duration().display().to_string())
+            .field("timestamp", &self.timestamp().display())
+            .field("duration", &self.duration().display())
             .finish()
     }
 }
diff --git a/gstreamer/src/segment.rs b/gstreamer/src/segment.rs
index 8bc6d414a..625bdff67 100644
--- a/gstreamer/src/segment.rs
+++ b/gstreamer/src/segment.rs
@@ -591,16 +591,16 @@ impl<T: FormattedValueIntrinsic> fmt::Debug for FormattedSegment<T> {
                 let segment = segment.downcast_ref::<crate::ClockTime>().unwrap();
                 f.debug_struct("Segment")
                     .field("format", &Format::Time)
-                    .field("start", &segment.start().display().to_string())
-                    .field("offset", &segment.offset().display().to_string())
-                    .field("stop", &segment.stop().display().to_string())
+                    .field("start", &segment.start().display())
+                    .field("offset", &segment.offset().display())
+                    .field("stop", &segment.stop().display())
                     .field("rate", &segment.rate())
                     .field("applied_rate", &segment.applied_rate())
                     .field("flags", &segment.flags())
-                    .field("time", &segment.time().display().to_string())
-                    .field("base", &segment.base().display().to_string())
-                    .field("position", &segment.position().display().to_string())
-                    .field("duration", &segment.duration().display().to_string())
+                    .field("time", &segment.time().display())
+                    .field("base", &segment.base().display())
+                    .field("position", &segment.position().display())
+                    .field("duration", &segment.duration().display())
                     .finish()
             }
             _ => f