diff --git a/apps/math_toolbox.cpp b/apps/math_toolbox.cpp
index f6b809028..fb69b4cb7 100644
--- a/apps/math_toolbox.cpp
+++ b/apps/math_toolbox.cpp
@@ -132,7 +132,7 @@ const ToolboxMessageTree unitMassGramChildren[] = {
 const ToolboxMessageTree unitMassChildren[] = {
   ToolboxMessageTree::Node(I18n::Message::UnitMassGramMenu, unitMassGramChildren),
   ToolboxMessageTree::Leaf(I18n::Message::UnitMassTonneSymbol, I18n::Message::UnitMassTonne),
-  ToolboxMessageTree::Leaf(I18n::Message::UnitMassDaltonSymbol, I18n::Message::UnitMassDalton)};
+};
 
 const ToolboxMessageTree unitCurrentAmpereChildren[] = {
   ToolboxMessageTree::Leaf(I18n::Message::UnitCurrentAmpereSymbol, I18n::Message::UnitCurrentAmpere),
diff --git a/apps/shared.universal.i18n b/apps/shared.universal.i18n
index 34df65a2d..a5bfe5f33 100644
--- a/apps/shared.universal.i18n
+++ b/apps/shared.universal.i18n
@@ -31,7 +31,6 @@ UnitMassGramMicroSymbol = "_μg"
 UnitMassGramNanoSymbol = "_ng"
 UnitMassGramPicoSymbol = "_pg"
 UnitMassTonneSymbol = "_t"
-UnitMassDaltonSymbol = "_Da"
 UnitCurrentAmpereSymbol = "_A"
 UnitCurrentAmpereMilliSymbol = "_mA"
 UnitCurrentAmpereMicroSymbol = "_μA"
diff --git a/apps/toolbox.de.i18n b/apps/toolbox.de.i18n
index 66311f595..26c267ef0 100644
--- a/apps/toolbox.de.i18n
+++ b/apps/toolbox.de.i18n
@@ -38,7 +38,6 @@ UnitMassGramMicro = "Microgram"
 UnitMassGramNano = "Nanogram"
 UnitMassGramPico = "Picogram"
 UnitMassTonne = "Tonne"
-UnitMassDalton = "Dalton"
 UnitCurrentMenu = "Electric current"
 UnitCurrentAmpereMenu = "Ampere"
 UnitCurrentAmpere = "Ampere"
diff --git a/apps/toolbox.en.i18n b/apps/toolbox.en.i18n
index a0c77f021..d0283edd9 100644
--- a/apps/toolbox.en.i18n
+++ b/apps/toolbox.en.i18n
@@ -38,7 +38,6 @@ UnitMassGramMicro = "Microgram"
 UnitMassGramNano = "Nanogram"
 UnitMassGramPico = "Picogram"
 UnitMassTonne = "Tonne"
-UnitMassDalton = "Dalton"
 UnitCurrentMenu = "Electric current"
 UnitCurrentAmpereMenu = "Ampere"
 UnitCurrentAmpere = "Ampere"
diff --git a/apps/toolbox.es.i18n b/apps/toolbox.es.i18n
index 533c534cb..a0fb8d186 100644
--- a/apps/toolbox.es.i18n
+++ b/apps/toolbox.es.i18n
@@ -38,7 +38,6 @@ UnitMassGramMicro = "Microgram"
 UnitMassGramNano = "Nanogram"
 UnitMassGramPico = "Picogram"
 UnitMassTonne = "Tonne"
-UnitMassDalton = "Dalton"
 UnitCurrentMenu = "Electric current"
 UnitCurrentAmpereMenu = "Ampere"
 UnitCurrentAmpere = "Ampere"
diff --git a/apps/toolbox.fr.i18n b/apps/toolbox.fr.i18n
index 342241a65..a1746c6e4 100644
--- a/apps/toolbox.fr.i18n
+++ b/apps/toolbox.fr.i18n
@@ -38,7 +38,6 @@ UnitMassGramMicro = "Microgramme"
 UnitMassGramNano = "Nanogramme"
 UnitMassGramPico = "Picogramme"
 UnitMassTonne = "Tonne"
-UnitMassDalton = "Dalton"
 UnitCurrentMenu = "Intensité du courant électrique"
 UnitCurrentAmpereMenu = "Ampère"
 UnitCurrentAmpere = "Ampère"
diff --git a/apps/toolbox.pt.i18n b/apps/toolbox.pt.i18n
index 6d100dda9..25fcdce00 100644
--- a/apps/toolbox.pt.i18n
+++ b/apps/toolbox.pt.i18n
@@ -38,7 +38,6 @@ UnitMassGramMicro = "Microgram"
 UnitMassGramNano = "Nanogram"
 UnitMassGramPico = "Picogram"
 UnitMassTonne = "Tonne"
-UnitMassDalton = "Dalton"
 UnitCurrentMenu = "Electric current"
 UnitCurrentAmpereMenu = "Ampere"
 UnitCurrentAmpere = "Ampere"