diff --git a/src/libsysprof-capture/mapped-ring-buffer.c b/src/libsysprof-capture/mapped-ring-buffer.c
index b2e4e6a8..b7b56796 100644
--- a/src/libsysprof-capture/mapped-ring-buffer.c
+++ b/src/libsysprof-capture/mapped-ring-buffer.c
@@ -18,8 +18,6 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
-#define G_LOG_DOMAIN "mapped-ring-buffer"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-capture-condition.c b/src/libsysprof-capture/sysprof-capture-condition.c
index 27141db5..5322e091 100644
--- a/src/libsysprof-capture/sysprof-capture-condition.c
+++ b/src/libsysprof-capture/sysprof-capture-condition.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-capture-condition"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-capture-cursor.c b/src/libsysprof-capture/sysprof-capture-cursor.c
index 3786d67d..085e1fa0 100644
--- a/src/libsysprof-capture/sysprof-capture-cursor.c
+++ b/src/libsysprof-capture/sysprof-capture-cursor.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-capture-cursor"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-capture-reader.c b/src/libsysprof-capture/sysprof-capture-reader.c
index 3243f803..94de783b 100644
--- a/src/libsysprof-capture/sysprof-capture-reader.c
+++ b/src/libsysprof-capture/sysprof-capture-reader.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-capture-reader"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-capture-util.c b/src/libsysprof-capture/sysprof-capture-util.c
index d2e9835c..f1563074 100644
--- a/src/libsysprof-capture/sysprof-capture-util.c
+++ b/src/libsysprof-capture/sysprof-capture-util.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-capture-util"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-capture-writer-cat.c b/src/libsysprof-capture/sysprof-capture-writer-cat.c
index b752b9c8..2cd71f4b 100644
--- a/src/libsysprof-capture/sysprof-capture-writer-cat.c
+++ b/src/libsysprof-capture/sysprof-capture-writer-cat.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-cat"
-
 #include "config.h"
 
 #include <glib/gstdio.h>
diff --git a/src/libsysprof-capture/sysprof-capture-writer.c b/src/libsysprof-capture/sysprof-capture-writer.c
index 8cd88984..d85b5f5a 100644
--- a/src/libsysprof-capture/sysprof-capture-writer.c
+++ b/src/libsysprof-capture/sysprof-capture-writer.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-capture-writer"
-
 #include "config.h"
 
 #ifndef _GNU_SOURCE
diff --git a/src/libsysprof-capture/sysprof-clock.c b/src/libsysprof-capture/sysprof-clock.c
index e65b025d..7543e027 100644
--- a/src/libsysprof-capture/sysprof-clock.c
+++ b/src/libsysprof-capture/sysprof-clock.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-clock"
-
 #include "config.h"
 
 #include <assert.h>
diff --git a/src/libsysprof-capture/sysprof-collector.c b/src/libsysprof-capture/sysprof-collector.c
index f398df03..2b7ffec7 100644
--- a/src/libsysprof-capture/sysprof-collector.c
+++ b/src/libsysprof-capture/sysprof-collector.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-collector"
-
 #ifndef _GNU_SOURCE
 # define _GNU_SOURCE
 #endif
diff --git a/src/libsysprof-capture/sysprof-platform.c b/src/libsysprof-capture/sysprof-platform.c
index 51464d19..3449cfaa 100644
--- a/src/libsysprof-capture/sysprof-platform.c
+++ b/src/libsysprof-capture/sysprof-platform.c
@@ -54,8 +54,6 @@
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
 
-#define G_LOG_DOMAIN "sysprof-platform"
-
 #include "config.h"
 
 #include <glib.h>