diff --git a/icu4c/source/tools/genrb/parse.c b/icu4c/source/tools/genrb/parse.c
index dae7254b2ac..86bed258a24 100644
--- a/icu4c/source/tools/genrb/parse.c
+++ b/icu4c/source/tools/genrb/parse.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1998-2010, International Business Machines
+*   Copyright (C) 1998-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
@@ -2025,8 +2025,7 @@ parse(UCHARBUF *buf, const char *inputDir, const char *outputDir, UErrorCode *st
     enum ETokenType    token;
     ParseState state;
     uint32_t i;
-    int encLength;
-    char* enc;
+
     for (i = 0; i < MAX_LOOKAHEAD + 1; i++)
     {
         ustr_init(&state.lookahead[i].value);
diff --git a/icu4c/source/tools/genrb/reslist.c b/icu4c/source/tools/genrb/reslist.c
index b23b41b3bc7..66d370405d1 100644
--- a/icu4c/source/tools/genrb/reslist.c
+++ b/icu4c/source/tools/genrb/reslist.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2000-2010, International Business Machines
+*   Copyright (C) 2000-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
@@ -898,7 +898,7 @@ string_comp(const UHashTok key1, const UHashTok key2) {
                              FALSE);
 }
 
-struct SResource *string_open(struct SRBRoot *bundle, char *tag, const UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) {
+struct SResource *string_open(struct SRBRoot *bundle, const char *tag, const UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) {
     struct SResource *res = res_open(bundle, tag, comment, status);
     if (U_FAILURE(*status)) {
         return NULL;
@@ -966,7 +966,7 @@ struct SResource *string_open(struct SRBRoot *bundle, char *tag, const UChar *va
 }
 
 /* TODO: make alias_open and string_open use the same code */
-struct SResource *alias_open(struct SRBRoot *bundle, char *tag, UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) {
+struct SResource *alias_open(struct SRBRoot *bundle, const char *tag, UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) {
     struct SResource *res = res_open(bundle, tag, comment, status);
     if (U_FAILURE(*status)) {
         return NULL;
@@ -991,7 +991,7 @@ struct SResource *alias_open(struct SRBRoot *bundle, char *tag, UChar *value, in
 }
 
 
-struct SResource* intvector_open(struct SRBRoot *bundle, char *tag, const struct UString* comment, UErrorCode *status) {
+struct SResource* intvector_open(struct SRBRoot *bundle, const char *tag, const struct UString* comment, UErrorCode *status) {
     struct SResource *res = res_open(bundle, tag, comment, status);
     if (U_FAILURE(*status)) {
         return NULL;
@@ -1008,7 +1008,7 @@ struct SResource* intvector_open(struct SRBRoot *bundle, char *tag, const struct
     return res;
 }
 
-struct SResource *int_open(struct SRBRoot *bundle, char *tag, int32_t value, const struct UString* comment, UErrorCode *status) {
+struct SResource *int_open(struct SRBRoot *bundle, const char *tag, int32_t value, const struct UString* comment, UErrorCode *status) {
     struct SResource *res = res_open(bundle, tag, comment, status);
     if (U_FAILURE(*status)) {
         return NULL;
diff --git a/icu4c/source/tools/genrb/reslist.h b/icu4c/source/tools/genrb/reslist.h
index 52737afd53d..f0eaeff5740 100644
--- a/icu4c/source/tools/genrb/reslist.h
+++ b/icu4c/source/tools/genrb/reslist.h
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2000-2009, International Business Machines
+*   Copyright (C) 2000-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
@@ -130,7 +130,7 @@ struct SResString {
     int8_t fNumCharsForLength;
 };
 
-struct SResource *string_open(struct SRBRoot *bundle, char *tag, const UChar *value, int32_t len, const struct UString* comment, UErrorCode *status);
+struct SResource *string_open(struct SRBRoot *bundle, const char *tag, const UChar *value, int32_t len, const struct UString* comment, UErrorCode *status);
 
 /**
  * Remove a string from a bundle and close (delete) it.
@@ -139,21 +139,21 @@ struct SResource *string_open(struct SRBRoot *bundle, char *tag, const UChar *va
  */
 void bundle_closeString(struct SRBRoot *bundle, struct SResource *string);
 
-struct SResource *alias_open(struct SRBRoot *bundle, char *tag, UChar *value, int32_t len, const struct UString* comment, UErrorCode *status);
+struct SResource *alias_open(struct SRBRoot *bundle, const char *tag, UChar *value, int32_t len, const struct UString* comment, UErrorCode *status);
 
 struct SResIntVector {
     uint32_t fCount;
     uint32_t *fArray;
 };
 
-struct SResource* intvector_open(struct SRBRoot *bundle, char *tag,  const struct UString* comment, UErrorCode *status);
+struct SResource* intvector_open(struct SRBRoot *bundle, const char *tag,  const struct UString* comment, UErrorCode *status);
 void intvector_add(struct SResource *intvector, int32_t value, UErrorCode *status);
 
 struct SResInt {
     uint32_t fValue;
 };
 
-struct SResource *int_open(struct SRBRoot *bundle, char *tag, int32_t value, const struct UString* comment, UErrorCode *status);
+struct SResource *int_open(struct SRBRoot *bundle, const char *tag, int32_t value, const struct UString* comment, UErrorCode *status);
 
 struct SResBinary {
     uint32_t fLength;