diff --git a/icu4c/source/i18n/measunit_extra.cpp b/icu4c/source/i18n/measunit_extra.cpp
index a7f24f1e348..bd774386c5b 100644
--- a/icu4c/source/i18n/measunit_extra.cpp
+++ b/icu4c/source/i18n/measunit_extra.cpp
@@ -308,7 +308,7 @@ private:
     int32_t fMatch;
 };
 
-struct SingleUnit {
+struct SingleUnit : public UMemory {
     int8_t power = 1;
     UMeasureSIPrefix siPrefix = UMEASURE_SI_PREFIX_ONE;
     int32_t simpleUnitIndex = 0;
@@ -372,7 +372,7 @@ struct SingleUnit {
     }
 };
 
-class CompoundUnit {
+class CompoundUnit : public UMemory {
 public:
     typedef MaybeStackVector<SingleUnit, 3> SingleUnitList;
 
@@ -464,7 +464,7 @@ private:
     }
 };
 
-class SequenceUnit {
+class SequenceUnit : public UMemory {
 public:
     typedef MaybeStackVector<CompoundUnit, 3> CompoundUnitList;
 
diff --git a/icu4c/source/test/depstest/dependencies.txt b/icu4c/source/test/depstest/dependencies.txt
index 080beeff637..a9cd90dcfe0 100644
--- a/icu4c/source/test/depstest/dependencies.txt
+++ b/icu4c/source/test/depstest/dependencies.txt
@@ -1057,7 +1057,7 @@ group: sharedbreakiterator
 group: units_extra
     measunit_extra.o
   deps
-    units
+    units ucharstriebuilder ucharstrie uclean_i18n
 
 group: units
     measunit.o currunit.o nounit.o