diff --git a/icu4c/source/common/propname.cpp b/icu4c/source/common/propname.cpp
index 789a610aca2..bdd91b1efcf 100644
--- a/icu4c/source/common/propname.cpp
+++ b/icu4c/source/common/propname.cpp
@@ -528,8 +528,8 @@ NameToEnum::swap(const UDataSwapper *ds,
                        upname_compareRows, &cmp,
                        TRUE, pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "upname_swap(NameToEnum).uprv_sortArray(%d items) failed - %s\n",
-                             tempMap->count, u_errorName(*pErrorCode));
+            udata_printError(ds, "upname_swap(NameToEnum).uprv_sortArray(%d items) failed\n",
+                             tempMap->count);
             return 0;
         }
 
diff --git a/icu4c/source/common/ucnv_bld.c b/icu4c/source/common/ucnv_bld.c
index f9f99c9b599..6d9d5acd463 100644
--- a/icu4c/source/common/ucnv_bld.c
+++ b/icu4c/source/common/ucnv_bld.c
@@ -1069,8 +1069,7 @@ ucnv_swap(const UDataSwapper *ds,
         ds->swapInvChars(ds, inStaticData->name, uprv_strlen(inStaticData->name),
                             outStaticData->name, pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "ucnv_swap(): error swapping converter name - %s\n",
-                             u_errorName(*pErrorCode));
+            udata_printError(ds, "ucnv_swap(): error swapping converter name\n");
             return 0;
         }
     }
diff --git a/icu4c/source/common/ucnv_io.c b/icu4c/source/common/ucnv_io.c
index a86af8f5ae1..ce4ab95f442 100644
--- a/icu4c/source/common/ucnv_io.c
+++ b/icu4c/source/common/ucnv_io.c
@@ -1214,8 +1214,7 @@ ucnv_swapAliases(const UDataSwapper *ds,
         ds->swapInvChars(ds, inTable+offsets[stringTableIndex], 2*(int32_t)toc[stringTableIndex],
                              outTable+offsets[stringTableIndex], pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "ucnv_swapAliases().swapInvChars(charset names) failed - %s\n",
-                             u_errorName(*pErrorCode));
+            udata_printError(ds, "ucnv_swapAliases().swapInvChars(charset names) failed\n");
             return 0;
         }
 
@@ -1311,8 +1310,8 @@ ucnv_swapAliases(const UDataSwapper *ds,
             }
 
             if(U_FAILURE(*pErrorCode)) {
-                udata_printError(ds, "ucnv_swapAliases().uprv_sortArray(%u items) failed - %s\n",
-                                 count, u_errorName(*pErrorCode));
+                udata_printError(ds, "ucnv_swapAliases().uprv_sortArray(%u items) failed\n",
+                                 count);
                 return 0;
             }
 
diff --git a/icu4c/source/common/unames.c b/icu4c/source/common/unames.c
index d31c548088c..250cd0fb8c8 100644
--- a/icu4c/source/common/unames.c
+++ b/icu4c/source/common/unames.c
@@ -1820,8 +1820,8 @@ makeTokenMap(const UDataSwapper *ds,
                 c1=(uint8_t)i;
                 ds->swapInvChars(ds, &c1, 1, &c2, pErrorCode);
                 if(U_FAILURE(*pErrorCode)) {
-                    udata_printError(ds, "unames/makeTokenMap() finds variant character 0x%02x used (input charset family %d) - %s\n",
-                                     i, ds->inCharset, u_errorName(*pErrorCode));
+                    udata_printError(ds, "unames/makeTokenMap() finds variant character 0x%02x used (input charset family %d)\n",
+                                     i, ds->inCharset);
                     return;
                 }
 
@@ -2000,8 +2000,7 @@ uchar_swapNames(const UDataSwapper *ds,
         udata_swapInvStringBlock(ds, inBytes+tokenStringOffset, (int32_t)(groupsOffset-tokenStringOffset),
                                     outBytes+tokenStringOffset, pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "uchar_swapNames(token strings) failed - %s\n",
-                             u_errorName(*pErrorCode));
+            udata_printError(ds, "uchar_swapNames(token strings) failed\n");
             return 0;
         }
 
@@ -2080,8 +2079,8 @@ uchar_swapNames(const UDataSwapper *ds,
                 ds->swapInvChars(ds, inRange+1, (int32_t)uprv_strlen((const char *)(inRange+1)),
                                     outRange+1, pErrorCode);
                 if(U_FAILURE(*pErrorCode)) {
-                    udata_printError(ds, "uchar_swapNames(prefix string of algorithmic range %u) failed - %s\n",
-                                     i, u_errorName(*pErrorCode));
+                    udata_printError(ds, "uchar_swapNames(prefix string of algorithmic range %u) failed\n",
+                                     i);
                     return 0;
                 }
                 break;
diff --git a/icu4c/source/common/uresdata.c b/icu4c/source/common/uresdata.c
index 4e3136f6134..ebc60a810a7 100644
--- a/icu4c/source/common/uresdata.c
+++ b/icu4c/source/common/uresdata.c
@@ -611,8 +611,8 @@ ures_preflightResource(const UDataSwapper *ds,
                                            pBottom, pTop, pMaxTableLength,
                                            pErrorCode);
                     if(U_FAILURE(*pErrorCode)) {
-                        udata_printError(ds, "ures_preflightResource(table res=%08x)[%d].recurse(%08x) failed - %s\n",
-                                         res, i, item, u_errorName(*pErrorCode));
+                        udata_printError(ds, "ures_preflightResource(table res=%08x)[%d].recurse(%08x) failed\n",
+                                         res, i, item);
                         break;
                     }
                 }
@@ -636,8 +636,8 @@ ures_preflightResource(const UDataSwapper *ds,
                                            pBottom, pTop, pMaxTableLength,
                                            pErrorCode);
                     if(U_FAILURE(*pErrorCode)) {
-                        udata_printError(ds, "ures_preflightResource(array res=%08x)[%d].recurse(%08x) failed - %s\n",
-                                         res, i, item, u_errorName(*pErrorCode));
+                        udata_printError(ds, "ures_preflightResource(array res=%08x)[%d].recurse(%08x) failed\n",
+                                         res, i, item);
                         break;
                     }
                 }
@@ -785,8 +785,8 @@ ures_swapResource(const UDataSwapper *ds,
                 item=ds->readUInt32(p[i]);
                 ures_swapResource(ds, inBundle, outBundle, item, specialType, pTempTable, pErrorCode);
                 if(U_FAILURE(*pErrorCode)) {
-                    udata_printError(ds, "ures_swapResource(table res=%08x)[%d].recurse(%08x) failed - %s\n",
-                                     res, i, item, u_errorName(*pErrorCode));
+                    udata_printError(ds, "ures_swapResource(table res=%08x)[%d].recurse(%08x) failed\n",
+                                     res, i, item);
                     return;
                 }
             }
@@ -826,8 +826,8 @@ ures_swapResource(const UDataSwapper *ds,
                            ures_compareRows, pTempTable->keyChars,
                            FALSE, pErrorCode);
             if(U_FAILURE(*pErrorCode)) {
-                udata_printError(ds, "ures_swapResource(table res=%08x).uprv_sortArray(%d items) failed - %s\n",
-                                 res, count, u_errorName(*pErrorCode));
+                udata_printError(ds, "ures_swapResource(table res=%08x).uprv_sortArray(%d items) failed\n",
+                                 res, count);
                 return;
             }
 
@@ -905,8 +905,8 @@ ures_swapResource(const UDataSwapper *ds,
                 item=ds->readUInt32(p[i]);
                 ures_swapResource(ds, inBundle, outBundle, item, URES_NO_SPECIAL_TYPE, pTempTable, pErrorCode);
                 if(U_FAILURE(*pErrorCode)) {
-                    udata_printError(ds, "ures_swapResource(array res=%08x)[%d].recurse(%08x) failed - %s\n",
-                                     res, i, item, u_errorName(*pErrorCode));
+                    udata_printError(ds, "ures_swapResource(array res=%08x)[%d].recurse(%08x) failed\n",
+                                     res, i, item);
                     return;
                 }
             }
@@ -995,8 +995,8 @@ ures_swap(const UDataSwapper *ds,
                                &bottom, &top, &maxTableLength,
                                pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "ures_preflightResource(root res=%08x) failed - %s\n",
-                             rootRes, u_errorName(*pErrorCode));
+            udata_printError(ds, "ures_preflightResource(root res=%08x) failed\n",
+                             rootRes);
             return 0;
         }
     } else {
@@ -1030,8 +1030,7 @@ ures_swap(const UDataSwapper *ds,
         udata_swapInvStringBlock(ds, inBundle+stringsBottom, 4*(bottom-stringsBottom),
                                     outBundle+stringsBottom, pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "ures_swap().udata_swapInvStringBlock(keys[%d]) failed - %s\n", 4*(bottom-1),
-                             u_errorName(*pErrorCode));
+            udata_printError(ds, "ures_swap().udata_swapInvStringBlock(keys[%d]) failed\n", 4*(bottom-1));
             return 0;
         }
 
@@ -1054,8 +1053,8 @@ ures_swap(const UDataSwapper *ds,
         /* swap the resources */
         ures_swapResource(ds, inBundle, outBundle, rootRes, URES_NO_SPECIAL_TYPE, &tempTable, pErrorCode);
         if(U_FAILURE(*pErrorCode)) {
-            udata_printError(ds, "ures_swapResource(root res=%08x) failed - %s\n",
-                             rootRes, u_errorName(*pErrorCode));
+            udata_printError(ds, "ures_swapResource(root res=%08x) failed\n",
+                             rootRes);
         }
 
         if(tempTable.rows!=rows) {