diff --git a/icu4c/source/test/cintltst/creststn.c b/icu4c/source/test/cintltst/creststn.c
index 65b243228f9..bd1fac9f8bf 100644
--- a/icu4c/source/test/cintltst/creststn.c
+++ b/icu4c/source/test/cintltst/creststn.c
@@ -2605,7 +2605,7 @@ static void TestXPath(void) {
 }
 static void TestCLDRStyleAliases(void) {
     UErrorCode status = U_ZERO_ERROR;
-    UResourceBundle *rb = NULL, *alias = NULL, *a3=NULL, *a4=NULL, *a5=NULL, *a6=NULL, *a=NULL;
+    UResourceBundle *rb = NULL, *alias = NULL, *a=NULL;
     int32_t i, len;
     char resource[256];
     const UChar *result = NULL;
diff --git a/icu4c/source/test/intltest/numfmtst.cpp b/icu4c/source/test/intltest/numfmtst.cpp
index 9e3298872e7..a9b5c97d5b7 100644
--- a/icu4c/source/test/intltest/numfmtst.cpp
+++ b/icu4c/source/test/intltest/numfmtst.cpp
@@ -1503,7 +1503,7 @@ void NumberFormatTest::TestCurrencyAmount(void){
     }
     
     CurrencyAmount *ca3 = (CurrencyAmount *)ca.clone();
-    if (!(ca2 == ca)){
+    if (!(*ca3 == ca)){
         errln("CurrencyAmount cloned object should be same");
     }
 }
diff --git a/icu4c/source/test/iotest/filetst.c b/icu4c/source/test/iotest/filetst.c
index 8585c8a93fd..a271dcb8512 100644
--- a/icu4c/source/test/iotest/filetst.c
+++ b/icu4c/source/test/iotest/filetst.c
@@ -1083,13 +1083,9 @@ static void TestFprintfFormat(void) {
 
     TestFPrintFormat("%8c", (char)'e', "%8c", (char)'e');
     TestFPrintFormat("%-8c", (char)'e', "%-8c", (char)'e');
-    TestFPrintFormat("%5.3c", (char)'e', "%5.3c", (char)'e');
-    TestFPrintFormat("%-5.3c", (char)'e', "%-5.3c", (char)'e');
 
     TestFPrintFormat("%8C", (UChar)0x65, "%8c", (char)'e');
     TestFPrintFormat("%-8C", (UChar)0x65, "%-8c", (char)'e');
-    TestFPrintFormat("%5.3C", (UChar)0x65, "%5.3c", (char)'e');
-    TestFPrintFormat("%-5.3C", (UChar)0x65, "%-5.3c", (char)'e');
 
     TestFPrintFormat("%f", 1.23456789, "%f", 1.23456789);
     TestFPrintFormat("%f", 12345.6789, "%f", 12345.6789);
@@ -1403,7 +1399,6 @@ static void TestUnicodeFormat(void)
     UChar myUString[256];
 	UFILE *myFile;
 	static const UChar TEST_STR[] = { 0x03BC, 0x0025, 0x0024, 0};
-	static const UChar EXPECTED_STR[] = { 0x03BC, 0x03BC, 0x0025, 0x0024, 0};
 	static const UChar PERCENT_S[] = { 0x03BC, 0x0025, 0x0053, 0};
 
 	u_memset(myUString, 0x2a, sizeof(myUString)/sizeof(*myUString));
diff --git a/icu4c/source/test/iotest/strtst.c b/icu4c/source/test/iotest/strtst.c
index 9bc6423906a..906f519d3c2 100644
--- a/icu4c/source/test/iotest/strtst.c
+++ b/icu4c/source/test/iotest/strtst.c
@@ -391,13 +391,9 @@ static void TestSprintfFormat(void) {
 
     TestSPrintFormat("%8c", (char)'e', "%8c", (char)'e');
     TestSPrintFormat("%-8c", (char)'e', "%-8c", (char)'e');
-    TestSPrintFormat("%5.3c", (char)'e', "%5.3c", (char)'e');
-    TestSPrintFormat("%-5.3c", (char)'e', "%-5.3c", (char)'e');
 
     TestSPrintFormat("%8C", (UChar)0x65, "%8c", (char)'e');
     TestSPrintFormat("%-8C", (UChar)0x65, "%-8c", (char)'e');
-    TestSPrintFormat("%5.3C", (UChar)0x65, "%5.3c", (char)'e');
-    TestSPrintFormat("%-5.3C", (UChar)0x65, "%-5.3c", (char)'e');
 
     TestSPrintFormat("%f", 1.23456789, "%f", 1.23456789);
     TestSPrintFormat("%f", 12345.6789, "%f", 12345.6789);