diff --git a/icu4c/source/test/intltest/msfmrgts.cpp b/icu4c/source/test/intltest/msfmrgts.cpp
index c6069c36ddc..826fe2ed2c8 100644
--- a/icu4c/source/test/intltest/msfmrgts.cpp
+++ b/icu4c/source/test/intltest/msfmrgts.cpp
@@ -266,7 +266,7 @@ void MessageFormatRegressionTest::Test4052223()
     UnicodeString str("There is one apple growing on the peach tree.");
     
     int32_t count = 0;
-    Formattable *objs = fmt->parse(str, pos, count);
+    fmt->parse(str, pos, count);
 
     logln(UnicodeString("unparsable string , should fail at ") + pos.getErrorIndex());
     if (pos.getErrorIndex() == -1)
diff --git a/icu4c/source/test/intltest/restest.cpp b/icu4c/source/test/intltest/restest.cpp
index be9b61a3b4e..fac7d0cbc51 100644
--- a/icu4c/source/test/intltest/restest.cpp
+++ b/icu4c/source/test/intltest/restest.cpp
@@ -346,7 +346,7 @@ ResourceBundleTest::testTag(const char* frag,
                             UBool in_te,
                             UBool in_te_IN)
 {
-    UBool failOrig = fail;
+    int32_t failOrig = fail;
 
     // Make array from input params
 
diff --git a/icu4c/source/test/intltest/restsnew.cpp b/icu4c/source/test/intltest/restsnew.cpp
index 21dcf3b3e19..0e0100ef25e 100644
--- a/icu4c/source/test/intltest/restsnew.cpp
+++ b/icu4c/source/test/intltest/restsnew.cpp
@@ -495,7 +495,7 @@ NewResourceBundleTest::testTag(const char* frag,
                             UBool in_te,
                             UBool in_te_IN)
 {
-    UBool failOrig = fail;
+    int32_t failOrig = fail;
 
     // Make array from input params