diff --git a/res/css/views/audio_messages/_SeekBar.scss b/res/css/views/audio_messages/_SeekBar.scss
index d13fe4ac6a..783a3c50ee 100644
--- a/res/css/views/audio_messages/_SeekBar.scss
+++ b/res/css/views/audio_messages/_SeekBar.scss
@@ -27,7 +27,7 @@ limitations under the License.
 
     width: 100%;
     height: 1px;
-    background: $quaternary-fg-color;
+    background: $quaternary-content;
     outline: none; // remove blue selection border
     position: relative; // for before+after pseudo elements later on
 
diff --git a/res/css/views/dialogs/_InviteDialog.scss b/res/css/views/dialogs/_InviteDialog.scss
index 9fc4b7a15c..c4ad9c6171 100644
--- a/res/css/views/dialogs/_InviteDialog.scss
+++ b/res/css/views/dialogs/_InviteDialog.scss
@@ -352,7 +352,7 @@ limitations under the License.
     border-right: 0;
     border-radius: 0;
     margin-top: 0;
-    border-color: $quaternary-fg-color;
+    border-color: $quaternary-content;
 
     input {
         font-size: 18px;
diff --git a/res/css/views/voip/_DialPadContextMenu.scss b/res/css/views/voip/_DialPadContextMenu.scss
index 527d223ffc..d2014241e9 100644
--- a/res/css/views/voip/_DialPadContextMenu.scss
+++ b/res/css/views/voip/_DialPadContextMenu.scss
@@ -30,7 +30,7 @@ limitations under the License.
     margin-right: 20px;
 
     /* a separator between the input line and the dial buttons */
-    border-bottom: 1px solid $quaternary-fg-color;
+    border-bottom: 1px solid $quaternary-content;
     transition: border-bottom 0.25s;
 }
 
diff --git a/res/css/views/voip/_DialPadModal.scss b/res/css/views/voip/_DialPadModal.scss
index b8042f77ae..f378507f90 100644
--- a/res/css/views/voip/_DialPadModal.scss
+++ b/res/css/views/voip/_DialPadModal.scss
@@ -30,7 +30,7 @@ limitations under the License.
     margin-right: 40px;
 
     /* a separator between the input line and the dial buttons */
-    border-bottom: 1px solid $quaternary-fg-color;
+    border-bottom: 1px solid $quaternary-content;
     transition: border-bottom 0.25s;
 }
 
diff --git a/res/themes/dark/css/_dark.scss b/res/themes/dark/css/_dark.scss
index d1fc31da97..416098d151 100644
--- a/res/themes/dark/css/_dark.scss
+++ b/res/themes/dark/css/_dark.scss
@@ -25,7 +25,6 @@ $header-panel-border-color: #000000;
 $header-panel-text-primary-color: #B9BEC6;
 $header-panel-text-secondary-color: #c8c8cd;
 $text-secondary-color: #B9BEC6;
-$quaternary-fg-color: $quaternary-content;
 $search-bg-color: #181b21;
 $search-placeholder-color: #61708b;
 $room-highlight-color: #343a46;
@@ -224,9 +223,9 @@ $message-body-panel-bg-color: $quinary-content;
 $message-body-panel-icon-fg-color: $secondary-fg-color;
 $message-body-panel-icon-bg-color: $system; // "System Dark"
 
-$voice-record-stop-border-color: $quaternary-fg-color;
-$voice-record-waveform-incomplete-fg-color: $quaternary-fg-color;
-$voice-record-icon-color: $quaternary-fg-color;
+$voice-record-stop-border-color: $quaternary-content;
+$voice-record-waveform-incomplete-fg-color: $quaternary-content;
+$voice-record-icon-color: $quaternary-content;
 $voice-playback-button-bg-color: $message-body-panel-icon-bg-color;
 $voice-playback-button-fg-color: $message-body-panel-icon-fg-color;
 
diff --git a/res/themes/light/css/_light.scss b/res/themes/light/css/_light.scss
index 576602c133..de87fe9e1f 100644
--- a/res/themes/light/css/_light.scss
+++ b/res/themes/light/css/_light.scss
@@ -40,7 +40,6 @@ $notice-primary-bg-color: rgba(255, 75, 85, 0.16);
 $primary-fg-color: #2e2f32;
 $secondary-fg-color: $secondary-content;
 $tertiary-fg-color: #8D99A5;
-$quaternary-fg-color: $quaternary-content;
 $header-panel-bg-color: #f3f8fd;
 
 // typical text (dark-on-white in light skin)
@@ -352,7 +351,7 @@ $voice-record-stop-symbol-color: #ff4b55;
 $voice-record-live-circle-color: #ff4b55;
 
 $voice-record-stop-border-color: $quinary-content;
-$voice-record-waveform-incomplete-fg-color: $quaternary-fg-color;
+$voice-record-waveform-incomplete-fg-color: $quaternary-content;
 $voice-record-icon-color: $tertiary-fg-color;
 $voice-playback-button-bg-color: $message-body-panel-icon-bg-color;
 $voice-playback-button-fg-color: $message-body-panel-icon-fg-color;