diff --git a/librz/core/cbin.c b/librz/core/cbin.c
index b232dc3e540..5a97ff580e1 100644
--- a/librz/core/cbin.c
+++ b/librz/core/cbin.c
@@ -1527,7 +1527,7 @@ RZ_API bool rz_core_bin_apply_symbols(RzCore *core, RzBinFile *binfile, bool va)
 				}
 				if (fi) {
 					rz_flag_item_set_realname(fi, sn.methname);
-					if ((fi->offset - core->flags->base) == addr) {
+					if (fi->offset == addr) {
 						rz_flag_unset(core->flags, fi);
 					}
 				} else {
diff --git a/librz/core/project_migrate.c b/librz/core/project_migrate.c
index 847f4aa3024..553930004cd 100644
--- a/librz/core/project_migrate.c
+++ b/librz/core/project_migrate.c
@@ -610,7 +610,7 @@ RZ_API bool rz_project_migrate_v14_v15(RzProject *prj, RzSerializeResultInfo *re
 // --
 // Migration 15 -> 16
 //
-// Changes from <commit hash not yet known>:
+// Changes from f9422ac0cd6922f73208e5f5e6f47b3d64b3bd0d:
 //	Removed options:
 //	- `bin.maxstr`
 //	Renamed options:
@@ -631,6 +631,21 @@ RZ_API bool rz_project_migrate_v15_v16(RzProject *prj, RzSerializeResultInfo *re
 	return true;
 }
 
+// --
+// Migration 16 -> 17
+//
+// Changes from <commit hash not yet known>:
+//	Removed /core/flags/base key (RzFlag.base)
+
+RZ_API bool rz_project_migrate_v16_v17(RzProject *prj, RzSerializeResultInfo *res) {
+	Sdb *core_db;
+	RZ_SERIALIZE_SUB(prj, core_db, res, "core", return false;);
+	Sdb *flags_db;
+	RZ_SERIALIZE_SUB(core_db, flags_db, res, "flags", return false;);
+	sdb_unset(flags_db, "base", 0);
+	return true;
+}
+
 static bool (*const migrations[])(RzProject *prj, RzSerializeResultInfo *res) = {
 	rz_project_migrate_v1_v2,
 	rz_project_migrate_v2_v3,
@@ -647,6 +662,7 @@ static bool (*const migrations[])(RzProject *prj, RzSerializeResultInfo *res) =
 	rz_project_migrate_v13_v14,
 	rz_project_migrate_v14_v15,
 	rz_project_migrate_v15_v16,
+	rz_project_migrate_v16_v17
 };
 
 /// Migrate the given project to the current version in-place
diff --git a/librz/flag/flag.c b/librz/flag/flag.c
index b253a341418..35ee385c090 100644
--- a/librz/flag/flag.c
+++ b/librz/flag/flag.c
@@ -227,7 +227,6 @@ RZ_API RzFlag *rz_flag_new(void) {
 		rz_flag_free(f);
 		return NULL;
 	}
-	f->base = 0;
 	f->zones = NULL;
 	f->tags = sdb_new0();
 	f->ht_name = ht_pp_new(NULL, ht_free_flag, NULL);
@@ -660,7 +659,7 @@ RZ_API RzFlagItem *rz_flag_set(RzFlag *f, const char *name, ut64 off, ut32 size)
 	item->space = rz_flag_space_cur(f);
 	item->size = size;
 
-	update_flag_item_offset(f, item, off + f->base, is_new, true);
+	update_flag_item_offset(f, item, off, is_new, true);
 	update_flag_item_name(f, item, name, true);
 	return item;
 err:
diff --git a/librz/flag/serialize_flag.c b/librz/flag/serialize_flag.c
index a2aee29c49f..fce4d7b9ea8 100644
--- a/librz/flag/serialize_flag.c
+++ b/librz/flag/serialize_flag.c
@@ -8,7 +8,6 @@
  * SDB Format:
  *
  * /
- *   base=<base>
  *   realnames=<realnames?"1":"0">
  *   /spaces
  *     see spaces.c
@@ -18,7 +17,6 @@
  *     <zone name>={"from":<from>,"to":<to>}
  *   /flags
  *     <flag name>={"realname":<str>,"demangled":<bool>,"offset":<uint>,"size":<uint>,"space":<str>,"color":<str>,"comment":<str>,"alias":<str>}
- *
  */
 
 RZ_API void rz_serialize_flag_zones_save(RZ_NONNULL Sdb *db, RZ_NONNULL RzList /*<RzFlagZoneItem *>*/ *zones) {
@@ -122,11 +120,6 @@ static bool flag_save_cb(RzFlagItem *flag, void *user) {
 
 RZ_API void rz_serialize_flag_save(RZ_NONNULL Sdb *db, RZ_NONNULL RzFlag *flag) {
 	rz_serialize_spaces_save(sdb_ns(db, "spaces", true), &flag->spaces);
-	char buf[32];
-	if (snprintf(buf, sizeof(buf), "%" PFMT64d, flag->base) < 0) {
-		return;
-	}
-	sdb_set(db, "base", buf, 0);
 	sdb_set(db, "realnames", flag->realnames ? "1" : "0", 0);
 	sdb_copy(flag->tags, sdb_ns(db, "tags", true));
 	rz_serialize_flag_zones_save(sdb_ns(db, "zones", true), flag->zones);
@@ -227,7 +220,7 @@ static bool flag_load_cb(void *user, const char *k, const char *v) {
 		goto beach;
 	}
 
-	RzFlagItem *item = rz_flag_set(ctx->flag, k, proto.offset - ctx->flag->base, proto.size);
+	RzFlagItem *item = rz_flag_set(ctx->flag, k, proto.offset, proto.size);
 	if (proto.realname) {
 		rz_flag_item_set_realname(item, proto.realname);
 	}
@@ -270,14 +263,7 @@ static bool load_flags(RZ_NONNULL Sdb *flags_db, RZ_NONNULL RzFlag *flag) {
 RZ_API bool rz_serialize_flag_load(RZ_NONNULL Sdb *db, RZ_NONNULL RzFlag *flag, RZ_NULLABLE RzSerializeResultInfo *res) {
 	rz_flag_unset_all(flag);
 
-	const char *str = sdb_const_get(db, "base", NULL);
-	if (!str) {
-		RZ_SERIALIZE_ERR(res, "flag base key is missing");
-		return false;
-	}
-	flag->base = strtoll(str, NULL, 0);
-
-	str = sdb_const_get(db, "realnames", 0);
+	const char *str = sdb_const_get(db, "realnames", 0);
 	if (!str) {
 		RZ_SERIALIZE_ERR(res, "flag realnames key is missing");
 		return false;
diff --git a/librz/include/rz_flag.h b/librz/include/rz_flag.h
index 847a4c317d0..bd8e47f32c7 100644
--- a/librz/include/rz_flag.h
+++ b/librz/include/rz_flag.h
@@ -45,7 +45,6 @@ typedef struct rz_flag_item_t {
 
 typedef struct rz_flag_t {
 	RzSpaces spaces; /* handle flag spaces */
-	st64 base; /* base address for all flag items */
 	bool realnames;
 	Sdb *tags;
 	RzNum *num;
diff --git a/librz/include/rz_project.h b/librz/include/rz_project.h
index c75d70e8520..b5d02cd6167 100644
--- a/librz/include/rz_project.h
+++ b/librz/include/rz_project.h
@@ -12,7 +12,7 @@
 extern "C" {
 #endif
 
-#define RZ_PROJECT_VERSION 16
+#define RZ_PROJECT_VERSION 17
 
 typedef Sdb RzProject;
 
@@ -61,6 +61,7 @@ RZ_API bool rz_project_migrate_v12_v13(RzProject *prj, RzSerializeResultInfo *re
 RZ_API bool rz_project_migrate_v13_v14(RzProject *prj, RzSerializeResultInfo *res);
 RZ_API bool rz_project_migrate_v14_v15(RzProject *prj, RzSerializeResultInfo *res);
 RZ_API bool rz_project_migrate_v15_v16(RzProject *prj, RzSerializeResultInfo *res);
+RZ_API bool rz_project_migrate_v16_v17(RzProject *prj, RzSerializeResultInfo *res);
 RZ_API bool rz_project_migrate(RzProject *prj, unsigned long version, RzSerializeResultInfo *res);
 
 #ifdef __cplusplus
diff --git a/test/db/cmd/project b/test/db/cmd/project
index b43d52a2086..8ffef6e5ddb 100644
--- a/test/db/cmd/project
+++ b/test/db/cmd/project
@@ -374,6 +374,7 @@ Detailed project load info:
   project migrated from version 13 to 14.
   project migrated from version 14 to 15.
   project migrated from version 15 to 16.
+  project migrated from version 16 to 17.
 EOF
 RUN
 
diff --git a/test/integration/test_project_migrate.c b/test/integration/test_project_migrate.c
index 3ef826c6742..d2ca7018e7d 100644
--- a/test/integration/test_project_migrate.c
+++ b/test/integration/test_project_migrate.c
@@ -574,6 +574,22 @@ static bool test_migrate_v15_v16_str_config() {
 	mu_end;
 }
 
+static bool test_migrate_v16_v17_flags_base() {
+	RzProject *prj = rz_project_load_file_raw("prj/v16-flags-base.rzdb");
+	mu_assert_notnull(prj, "load raw project");
+	RzSerializeResultInfo *res = rz_serialize_result_info_new();
+	bool s = rz_project_migrate_v16_v17(prj, res);
+	mu_assert_true(s, "migrate success");
+	Sdb *core_db = sdb_ns(prj, "core", false);
+	mu_assert_notnull(core_db, "core ns");
+	Sdb *config_db = sdb_ns(core_db, "flags", false);
+	mu_assert_notnull(config_db, "config ns");
+	mu_assert_null(sdb_get(config_db, "base", 0), "flags base");
+	rz_serialize_result_info_free(res);
+	rz_project_free(prj);
+	mu_end;
+}
+
 
 /// Load project of given version from file into core and check the log for migration success messages
 #define BEGIN_LOAD_TEST(core, version, file) \
@@ -954,6 +970,14 @@ static bool test_load_v15_str_config() {
 	mu_end;
 }
 
+static bool test_load_v16() {
+	RzCore *core = rz_core_new();
+	BEGIN_LOAD_TEST(core, 16, "prj/v16-flags-base.rzdb");
+	// No new or changed info here
+	rz_core_free(core);
+	mu_end;
+}
+
 int all_tests() {
 	mu_run_test(test_migrate_v1_v2_noreturn);
 	mu_run_test(test_migrate_v1_v2_noreturn_empty);
@@ -973,6 +997,7 @@ int all_tests() {
 	mu_run_test(test_migrate_v2_v12);
 	mu_run_test(test_migrate_v14_v15);
 	mu_run_test(test_migrate_v15_v16_str_config);
+	mu_run_test(test_migrate_v16_v17_flags_base);
 	mu_run_test(test_load_v1_noreturn);
 	mu_run_test(test_load_v1_noreturn_empty);
 	mu_run_test(test_load_v1_unknown_type);
@@ -994,6 +1019,7 @@ int all_tests() {
 	mu_run_test(test_load_v14);
 	mu_run_test(test_load_v15_seek_history);
 	mu_run_test(test_load_v15_str_config);
+	mu_run_test(test_load_v16);
 	return tests_passed != tests_run;
 }
 
diff --git a/test/prj/v16-flags-base.rzdb b/test/prj/v16-flags-base.rzdb
new file mode 100644
index 00000000000..250a9a3de9b
--- /dev/null
+++ b/test/prj/v16-flags-base.rzdb
@@ -0,0 +1,76 @@
+/
+type=rizin rz-db project
+version=16
+
+/core
+blocksize=0x100
+offset=0x5ae0
+
+/core/analysis
+
+/core/analysis/blocks
+
+/core/analysis/callables
+
+/core/analysis/cc
+
+/core/analysis/classes
+
+/core/analysis/classes/attrs
+
+/core/analysis/functions
+
+/core/analysis/hints
+
+/core/analysis/imports
+
+/core/analysis/meta
+
+/core/analysis/meta/spaces
+name=CS
+spacestack=["*"]
+
+/core/analysis/meta/spaces/spaces
+bin=s
+
+/core/analysis/noreturn
+
+/core/analysis/types
+
+/core/analysis/vars
+
+/core/analysis/xrefs
+
+/core/config
+
+/core/debug
+
+/core/debug/breakpoints
+
+/core/file
+relative=../bins/elf/ls
+
+/core/flags
+base=100
+realnames=1
+
+/core/flags/flags
+
+/core/flags/spaces
+name=fs
+spacestack=["*"]
+
+/core/flags/spaces/spaces
+classes=s
+relocs=s
+sections=s
+segments=s
+strings=s
+symbols=s
+
+/core/flags/tags
+
+/core/flags/zones
+
+/core/seek
+0={"offset":23264,"cursor":0,"current":true}
diff --git a/test/unit/test_serialize_flag.c b/test/unit/test_serialize_flag.c
index 3b0d7fa0db7..9f4598e6a83 100644
--- a/test/unit/test_serialize_flag.c
+++ b/test/unit/test_serialize_flag.c
@@ -8,7 +8,6 @@
 Sdb *ref_0_db() {
 	Sdb *db = sdb_new0();
 
-	sdb_set(db, "base", "-1337", 0);
 	sdb_set(db, "realnames", "1", 0);
 
 	Sdb *spaces_db = sdb_ns(db, "spaces", true);
@@ -27,9 +26,9 @@ Sdb *ref_0_db() {
 	sdb_set(zones_db, PERTURBATOR, "{\"from\":3735928559,\"to\":18446744073709551614}", 0);
 
 	Sdb *flags_db = sdb_ns(db, "flags", true);
-	sdb_set(flags_db, "foobars", "{\"realname\":\"Foobars\",\"demangled\":true,\"offset\":3582,\"size\":16,\"space\":\"reveries\",\"color\":\"white\",\"comment\":\"windowpane\",\"alias\":\"f00b4r5\"}", 0);
-	sdb_set(flags_db, "f00b4r5", "{\"realname\":\"f00b4r5\",\"demangled\":false,\"offset\":3582,\"size\":1}", 0);
-	sdb_set(flags_db, "deliverance", "{\"realname\":\"deliverance\",\"demangled\":false,\"offset\":66,\"size\":19}", 0);
+	sdb_set(flags_db, "foobars", "{\"realname\":\"Foobars\",\"demangled\":true,\"offset\":4919,\"size\":16,\"space\":\"reveries\",\"color\":\"white\",\"comment\":\"windowpane\",\"alias\":\"f00b4r5\"}", 0);
+	sdb_set(flags_db, "f00b4r5", "{\"realname\":\"f00b4r5\",\"demangled\":false,\"offset\":4919,\"size\":1}", 0);
+	sdb_set(flags_db, "deliverance", "{\"realname\":\"deliverance\",\"demangled\":false,\"offset\":1403,\"size\":19}", 0);
 
 	return db;
 }
@@ -37,7 +36,6 @@ Sdb *ref_0_db() {
 RzFlag *ref_0_flag() {
 	RzFlag *flag = rz_flag_new();
 
-	flag->base = -1337;
 	flag->realnames = true;
 
 	rz_flag_set(flag, "deliverance", 0x42 + 1337, 0x13);
@@ -67,7 +65,6 @@ RzFlag *ref_0_flag() {
 Sdb *ref_1_db() {
 	Sdb *db = sdb_new0();
 
-	sdb_set(db, "base", "0", 0);
 	sdb_set(db, "realnames", "0", 0);
 
 	Sdb *spaces_db = sdb_ns(db, "spaces", true);
@@ -83,7 +80,6 @@ Sdb *ref_1_db() {
 
 RzFlag *ref_1_flag() {
 	RzFlag *flag = rz_flag_new();
-	flag->base = 0;
 	flag->realnames = false;
 	return flag;
 }
@@ -204,7 +200,6 @@ static bool test_load(Sdb *db, RzFlag *ref) {
 		continue;
 	}
 
-	mu_assert_eq_fmt(flag->base, ref->base, "base", "0x%" PFMT64x);
 	mu_assert_eq(flag->realnames, ref->realnames, "realnames");
 	assert_sdb_eq(flag->tags, ref->tags, "tags");
 
@@ -238,4 +233,4 @@ int all_tests() {
 	return tests_passed != tests_run;
 }
 
-mu_main(all_tests)
\ No newline at end of file
+mu_main(all_tests)