diff --git a/libr/anal/fcn.c b/libr/anal/fcn.c
index 41f89b3ef023c..81f594a0c4110 100644
--- a/libr/anal/fcn.c
+++ b/libr/anal/fcn.c
@@ -624,11 +624,7 @@ static int fcn_recurse(RAnal *anal, RAnalFunction *fcn, ut64 addr, ut64 len, int
 	};
 	const char *arch = anal->config? anal->config->arch: R_SYS_ARCH;
 	bool arch_destroys_dst = does_arch_destroys_dst (arch);
-#if R2_USE_NEW_ABI
 	const bool flagends = anal->opt.flagends;
-#else
-	const bool flagends = anal->coreb.cfggeti (anal->coreb.core, "anal.flagends");
-#endif
 	const bool is_arm = r_str_startswith (arch, "arm");
 	const bool is_mips = !is_arm && r_str_startswith (arch, "mips");
 	const bool is_v850 = is_arm ? false: (arch && (!strncmp (arch, "v850", 4) || !strncmp (anal->coreb.cfgGet (anal->coreb.core, "asm.cpu"), "v850", 4)));
@@ -1122,10 +1118,7 @@ static int fcn_recurse(RAnal *anal, RAnalFunction *fcn, ut64 addr, ut64 len, int
 			// R2R db/anal/arm db/esil/apple
 			//v1 = UT64_MAX; // reset v1 jmptable pointer value for mips only
 			// on stm8 this must be disabled.. but maybe we need a global option to disable icod refs
-			bool want_icods = true;
-#if R2_USE_NEW_ABI
-			// want_icods = anal->opt.icods;
-#endif
+			bool want_icods = anal->opt.icods;
 			{
 				const char *arch = R_UNWRAP3 (anal, config, arch);
 				if (r_str_startswith (arch, "stm8")) {
diff --git a/libr/bin/bin.c b/libr/bin/bin.c
index 90497ad2b72b8..ab57ddaeb2c29 100644
--- a/libr/bin/bin.c
+++ b/libr/bin/bin.c
@@ -1687,13 +1687,7 @@ R_API char *r_bin_attr_tostring(ut64 attr, bool singlechar) {
 	return r_strbuf_drain (sb);
 }
 
-// TODO : not implemented yet
-#if R2_USE_NEW_ABI
 R_API ut64 r_bin_attr_fromstring(const char *s, bool compact) {
-#else
-R_API ut64 r_bin_attr_fromstring(const char *s) {
-	const bool compact = false;
-#endif
 	size_t i;
 	ut64 bits = 0LL;
 	const char *word;
diff --git a/libr/bin/dbginfo.c b/libr/bin/dbginfo.c
index 11c6383bd9043..263def29e3180 100644
--- a/libr/bin/dbginfo.c
+++ b/libr/bin/dbginfo.c
@@ -130,13 +130,11 @@ R_API R_NULLABLE char *r_bin_addr2text(RBin *bin, ut64 addr, int origin) {
 	}
 	char *res = NULL;
 	char *filename = strdup (di->file);
-#if R2_USE_NEW_ABI
 	if (R_STR_ISNOTEMPTY (bin->srcdir_base) && r_str_startswith (filename, bin->srcdir_base)) {
 		char *fn = strdup (filename + strlen (bin->srcdir_base));
 		free (filename);
 		filename = fn;
 	}
-#endif
 	char *basename = strdup (r_file_basename (di->file));
 #if __APPLE__
 	// early optimization because mac's home is slow
diff --git a/libr/bin/p/bin_mach0.c b/libr/bin/p/bin_mach0.c
index 0725d6f28006e..b8066a17b2069 100644
--- a/libr/bin/p/bin_mach0.c
+++ b/libr/bin/p/bin_mach0.c
@@ -587,11 +587,7 @@ static RList* patch_relocs(RBinFile *bf) {
 static RBuffer *swizzle_io_read(RBinFile *bf, struct MACH0_(obj_t) *obj, RIO *io) {
 	R_RETURN_VAL_IF_FAIL (io && io->desc && io->desc->plugin, NULL);
 	RFixupRebaseContext ctx = {0};
-#if R2_USE_NEW_ABI
 	RBuffer *nb = r_buf_new_with_cache (obj->b, false);
-#else
-	RBuffer *nb = r_buf_new_with_buf (obj->b);
-#endif
 	RBuffer *ob = obj->b;
 	obj->b = nb;
 	ut64 count = r_buf_size (obj->b);
diff --git a/libr/core/canal.c b/libr/core/canal.c
index b4a393dfa8072..ea608ccb73bd4 100644
--- a/libr/core/canal.c
+++ b/libr/core/canal.c
@@ -6,6 +6,9 @@
 #include <r_vec.h>
 #include <sdb/ht_uu.h>
 
+// 128M
+#define MAX_SCAN_SIZE 0x7ffffff
+
 HEAPTYPE (ut64);
 
 R_VEC_TYPE (RVecAnalRef, RAnalRef);
@@ -17,8 +20,6 @@ enum {
 	R2_ARCH_ARM64,
 	R2_ARCH_MIPS
 };
-// 128M
-#define MAX_SCAN_SIZE 0x7ffffff
 
 static void loganal(ut64 from, ut64 to, int depth) {
 	r_cons_clear_line (1);
diff --git a/libr/core/cconfig.c b/libr/core/cconfig.c
index 9b5210cd71c00..e91860d1862fa 100644
--- a/libr/core/cconfig.c
+++ b/libr/core/cconfig.c
@@ -240,11 +240,16 @@ static bool cb_debug_hitinfo(void *user, void *data) {
 }
 
 static bool cb_anal_flagends(void *user, void *data) {
-#if R2_USE_NEW_ABI
 	RCore *core = (RCore*) user;
 	RConfigNode *node = (RConfigNode*) data;
 	core->anal->opt.flagends = node->i_value;
-#endif
+	return true;
+}
+
+static bool cb_anal_icods(void *user, void *data) {
+	RCore *core = (RCore*) user;
+	RConfigNode *node = (RConfigNode*) data;
+	core->anal->opt.icods = node->i_value;
 	return true;
 }
 
@@ -1422,7 +1427,6 @@ static bool cb_dirsrc(void *user, void *data) {
 	return true;
 }
 
-#if R2_USE_NEW_ABI
 static bool cb_dirsrc_base(void *user, void *data) {
 	RConfigNode *node = (RConfigNode*) data;
 	RCore *core = (RCore *)user;
@@ -1434,7 +1438,6 @@ static bool cb_dirsrc_base(void *user, void *data) {
 	}
 	return true;
 }
-#endif
 
 static bool cb_cfgsanbox_grain(void *user, void *data) {
 	RConfigNode *node = (RConfigNode*) data;
@@ -3552,6 +3555,7 @@ R_API int r_core_config_init(RCore *core) {
 	NULL);
 	SETI ("anal.timeout", 0, "stop analyzing after a couple of seconds");
 	SETCB ("anal.flagends", "true", &cb_anal_flagends, "end function when a flag is found");
+	SETCB ("anal.icods", "true", &cb_anal_icods, "analyze indirect code references");
 	SETCB ("anal.jmp.retpoline", "true", &cb_anal_jmpretpoline, "analyze retpolines, may be slower if not needed");
 	SETCB ("anal.jmp.tailcall", "true", &cb_anal_jmptailcall, "consume a branch as a call if delta is a function");
 	SETICB ("anal.jmp.tailcall.delta", 0, &cb_anal_jmptailcall_delta, "consume a branch as a call if delta is big");
@@ -3995,9 +3999,7 @@ R_API int r_core_config_init(RCore *core) {
 		SETPREF ("dir.plugins", path, "path to plugin files to be loaded at startup");
 		free (path);
 	}
-#if R2_USE_NEW_ABI
 	SETCB ("dir.source.base", "", &cb_dirsrc_base, "path to trim out from the one in dwarf");
-#endif
 	SETCB ("dir.source", "", &cb_dirsrc, "path to find source files");
 	SETPREF ("dir.types", "/usr/include", "default colon-separated list of paths to find C headers to cparse types");
 	SETPREF ("dir.libs", "", "specify path to find libraries to load when bin.libs=true");
diff --git a/libr/core/cmd.c b/libr/core/cmd.c
index 383688b8c27fb..f91584984f5f2 100644
--- a/libr/core/cmd.c
+++ b/libr/core/cmd.c
@@ -6349,10 +6349,9 @@ R_API int r_core_cmd(RCore *core, const char *cstr, bool log) {
 	return ret;
 }
 
-// R2_600 return bool
-R_API int r_core_cmd_lines(RCore *core, const char *lines) {
+R_API bool r_core_cmd_lines(RCore *core, const char *lines) {
 	R_RETURN_VAL_IF_FAIL (core && lines, false);
-	int r, ret = true;
+	int r;
 	char *data, *odata;
 
 	if (R_STR_ISEMPTY (lines)) {
@@ -6362,6 +6361,7 @@ R_API int r_core_cmd_lines(RCore *core, const char *lines) {
 	if (!odata) {
 		return false;
 	}
+	bool ret = true;
 	size_t line_count = r_str_char_count (lines, '\n');
 	const bool istty = r_cons_is_tty ();
 	const bool show_progress_bar = core->print->enable_progressbar \
@@ -6384,13 +6384,13 @@ R_API int r_core_cmd_lines(RCore *core, const char *lines) {
 			r = r_core_cmd (core, data, 0);
 			if (r < 0) {
 				data = nl + 1;
-				ret = -1;
+				ret = true; // -1;
 				break;
 			}
 			r_cons_flush ();
 			if (data[0] == 'q') {
 				if (data[1] == '!') {
-					ret = -1;
+					ret = true; // -1;
 				} else {
 					R_LOG_WARN ("'q': quit ignored. Use 'q!'");
 				}
@@ -6406,7 +6406,7 @@ R_API int r_core_cmd_lines(RCore *core, const char *lines) {
 			r_cons_newline ();
 		}
 	}
-	if (ret >= 0 && R_STR_ISNOTEMPTY (data)) {
+	if (ret && R_STR_ISNOTEMPTY (data)) {
 		r_core_cmd (core, data, 0);
 		r_cons_flush ();
 		r_core_task_yield (&core->tasks);
@@ -6415,8 +6415,7 @@ R_API int r_core_cmd_lines(RCore *core, const char *lines) {
 	return ret;
 }
 
-// R2_600 - return bool
-R_API int r_core_cmd_file(RCore *core, const char *file) {
+R_API bool r_core_cmd_file(RCore *core, const char *file) {
 	R_RETURN_VAL_IF_FAIL (core && file, false);
 	char *data = r_file_abspath (file);
 	if (!data) {
@@ -6436,16 +6435,16 @@ R_API int r_core_cmd_file(RCore *core, const char *file) {
 	return true;
 }
 
-R_API int r_core_cmd_command(RCore *core, const char *command) {
+R_API bool r_core_cmd_command(RCore *core, const char *command) {
 	R_RETURN_VAL_IF_FAIL (core && command, -1);
 	char *cmd = r_core_sysenv_begin (core, command);
 	int len;
 	char *buf = r_sys_cmd_str (cmd, 0, &len);
 	if (!buf) {
 		free (cmd);
-		return -1;
+		return false;
 	}
-	int ret = r_core_cmd_lines (core, buf);
+	bool ret = r_core_cmd_lines (core, buf);
 	r_core_sysenv_end (core, command);
 	free (buf);
 	return ret;
diff --git a/libr/core/cmd_info.inc.c b/libr/core/cmd_info.inc.c
index 1da6bc47f3954..7b43b18719e56 100644
--- a/libr/core/cmd_info.inc.c
+++ b/libr/core/cmd_info.inc.c
@@ -2164,8 +2164,10 @@ static int cmd_info(void *data, const char *input) {
 		}
 		input = input + strlen (input) - 1;
 		break;
-	case 'a': // "iA"
-		if (input[1] == 'j') {
+	case 'a': // "ia"
+		if (r_str_startswith (input, "iaito")) {
+			R_LOG_ERROR ("Missing plugin. Run: r2pm -ci r2iaito");
+		} else if (input[1] == 'j') {
 			pj_o (pj); // weird
 			r_bin_list_archs (core->bin, pj, 'j');
 			pj_end (pj);
diff --git a/libr/core/disasm.c b/libr/core/disasm.c
index 18922fe7330f5..4c1b8bb4beee3 100644
--- a/libr/core/disasm.c
+++ b/libr/core/disasm.c
@@ -2235,22 +2235,18 @@ static void ds_show_functions(RDisasmState *ds) {
 			RAnalVar *var;
 			RListIter *iter;
 
-#if R2_USE_NEW_ABI
 			int skipped = 0;
 			if (f->addr == core->offset) {
 				skipped = core->skiplines;
 			}
-#endif
 			RList *all_vars = vars_cache.rvars;
 			r_list_join (all_vars, vars_cache.bvars);
 			r_list_join (all_vars, vars_cache.svars);
 			r_list_foreach (all_vars, iter, var) {
-#if R2_USE_NEW_ABI
 				if (skipped > 0) {
 					skipped--;
 					continue;
 				}
-#endif
 				ds_begin_line (ds);
 				int idx;
 				RAnal *anal = ds->core->anal;
diff --git a/libr/include/r_bin.h b/libr/include/r_bin.h
index d6f3e150aeda1..ff5c23a792001 100644
--- a/libr/include/r_bin.h
+++ b/libr/include/r_bin.h
@@ -463,9 +463,7 @@ struct r_bin_t {
 	char strfilter; // string filtering
 	char *strpurge; // purge false positive strings
 	char *srcdir; // dir.source
-#if R2_USE_NEW_ABI
 	char *srcdir_base; // dir.source.base
-#endif
 	char *prefix; // bin.prefix
 	char *strenc;
 	ut64 filter_rules;
@@ -603,14 +601,9 @@ typedef struct r_bin_class_t {
 	int index; // should be unsigned?
 	ut64 addr;
 	char *ns; // namespace // maybe RBinName?
-#if R2_USE_NEW_ABI
-	// Use RVec here
-	RList *methods; // <RBinSymbol>
-	RList *fields; // <RBinField>
-#else
+	// R2_600 - Use RVec here
 	RList *methods; // <RBinSymbol>
 	RList *fields; // <RBinField>
-#endif
 	// RList *interfaces; // <char *>
 	RBinAttribute attr;
 	ut64 lang;
@@ -914,11 +907,7 @@ R_API void r_bin_name_filtered(RBinName *bn, const char *fname);
 R_API void r_bin_name_free(RBinName *bn);
 
 R_API char *r_bin_attr_tostring(ut64 attr, bool singlechar);
-#if R2_USE_NEW_ABI
 R_API ut64 r_bin_attr_fromstring(const char *s, bool compact);
-#else
-R_API ut64 r_bin_attr_fromstring(const char *s);
-#endif
 
 /* filter.c */
 typedef struct HtSU_t HtSU;
diff --git a/libr/include/r_core.h b/libr/include/r_core.h
index f79a5decaa5f9..6763378d3ae61 100644
--- a/libr/include/r_core.h
+++ b/libr/include/r_core.h
@@ -302,9 +302,7 @@ typedef struct {
 	int y;
 } VisualMark;
 
-#if R2_USE_NEW_ABI
 typedef struct RCorePriv RCorePriv;
-#endif
 
 struct r_core_t {
 	RBin *bin;
@@ -514,9 +512,9 @@ R_API R_MUSTUSE char *r_core_cmd_strf(RCore *core, const char *fmt, ...) R_PRINT
 R_API R_MUSTUSE char *r_core_cmd_strf_at(RCore *core, ut64 addr, const char *fmt, ...) R_PRINTF_CHECK(3, 4);
 R_API R_MUSTUSE char *r_core_cmd_str_pipe(RCore *core, const char *cmd);
 R_API R_MUSTUSE RBuffer *r_core_cmd_tobuf(RCore *core, const char *cmd);
-R_API int r_core_cmd_file(RCore *core, const char *file);
-R_API int r_core_cmd_lines(RCore *core, const char *lines);
-R_API int r_core_cmd_command(RCore *core, const char *command);
+R_API bool r_core_cmd_file(RCore *core, const char *file);
+R_API bool r_core_cmd_lines(RCore *core, const char *lines);
+R_API bool r_core_cmd_command(RCore *core, const char *command);
 R_API void r_core_af(RCore *core, ut64 addr, const char *name, bool anal_calls);
 R_API bool r_core_run_script(RCore *core, const char *file);
 R_API bool r_core_seek(RCore *core, ut64 addr, bool rb);
diff --git a/libr/include/r_core_priv.h b/libr/include/r_core_priv.h
index 253a37a1a3b71..39939d0243457 100644
--- a/libr/include/r_core_priv.h
+++ b/libr/include/r_core_priv.h
@@ -5,7 +5,6 @@
 #ifndef R2_CORE_PRIV_H
 #define R2_CORE_PRIV_H
 
-#if R2_USE_NEW_ABI
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -19,5 +18,3 @@ typedef struct {
 #endif
 
 #endif
-
-#endif
diff --git a/libr/include/r_list.h b/libr/include/r_list.h
index e9c154c42c813..17528729bacb0 100644
--- a/libr/include/r_list.h
+++ b/libr/include/r_list.h
@@ -97,23 +97,8 @@ R_API void r_list_split(RList *list, void *ptr);
 R_API void r_list_split_iter(RList *list, RListIter *iter);
 R_API int r_list_join(RList *list1, RList *list2);
 R_API void *r_list_get_n(const RList *list, int n);
-#if R2_USE_NEW_ABI
 R_API RListIter *r_list_get_nth(const RList *list, int n);
-#else
-static inline RListIter *r_list_get_nth(const RList *list, int n) {
-	RListIter *it;
-	int i;
-	for (it = list->head, i = 0; it && it->data; it = it->n, i++) {
-		if (i == n) {
-			return it;
-		}
-	}
-	return NULL;
-}
-#endif
 R_API int r_list_del_n(RList *list, int n);
-R_DEPRECATE R_API void *r_list_get_top(const RList *list);
-R_DEPRECATE R_API void *r_list_get_bottom(const RList *list);
 R_API void r_list_iter_to_top(RList *list, RListIter *iter);
 R_API void *r_list_pop(RList *list);
 R_API void *r_list_pop_head(RList *list);
diff --git a/libr/include/r_socket.h b/libr/include/r_socket.h
index ed99596490681..75eea586384a2 100644
--- a/libr/include/r_socket.h
+++ b/libr/include/r_socket.h
@@ -258,9 +258,7 @@ typedef struct r_run_profile_t {
 	int _timeout;
 	int _timeout_sig;
 	int _nice;
-#if R2_USE_NEW_ABI
 	bool _stderrout;
-#endif
 } RRunProfile;
 
 R_API RRunProfile *r_run_new(R_NULLABLE const char *str);
diff --git a/libr/include/r_util.h b/libr/include/r_util.h
index 522cac0807821..ef40ebeedb83c 100644
--- a/libr/include/r_util.h
+++ b/libr/include/r_util.h
@@ -88,10 +88,8 @@ int gettimeofday (struct timeval* p, void* tz);
 #include "r_util/r_axml.h"
 // requires io, core, ... #include "r_util/r_print.h"
 
-#if R2_USE_NEW_ABI
 R_API int r_lz4_compress(ut8 *obuf, ut8 *buf, size_t buf_size, const int max_chain);
 R_API ut8 *r_lz4_decompress(const ut8* input, size_t input_size, size_t *output_size);
-#endif
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/libr/include/r_util/r_base32.h b/libr/include/r_util/r_base32.h
index 69672a5cb9fcd..ac37f9b5bf5a1 100644
--- a/libr/include/r_util/r_base32.h
+++ b/libr/include/r_util/r_base32.h
@@ -5,15 +5,12 @@
 extern "C" {
 #endif
 
-#if R2_USE_NEW_ABI
-
 #include <r_util/r_base32.h>
 
 R_API char *r_base32_encode(const ut8 *data, size_t input_length, size_t *output_length);
 R_API ut8 *r_base32_decode(const char *data, size_t input_length, size_t *output_length);
 R_API char *base32_encode_ut64(ut64 input);
 R_API ut64 base32_decode_ut64(const char *input);
-#endif
 
 #ifdef __cplusplus
 }
diff --git a/libr/socket/run.c b/libr/socket/run.c
index 236c61f50849f..534f93b03580d 100644
--- a/libr/socket/run.c
+++ b/libr/socket/run.c
@@ -645,13 +645,8 @@ R_API bool r_run_parseline(RRunProfile *p, const char *b) {
 		p->_seteuid = strdup (e);
 	} else if (!strcmp (b, "setgid")) {
 		p->_setgid = strdup (e);
-#if R2_USE_NEW_ABI
 	} else if (!strcmp (b, "stderrout")) {
 		p->_stderrout = r_str_is_true (e);
-#else
-	} else if (!strcmp (b, "stderrout")) {
-		R_LOG_ERROR ("stderrout directive is only supported in the new abi");
-#endif
 	} else if (!strcmp (b, "setegid")) {
 		p->_setegid = strdup (e);
 	} else if (!strcmp (b, "nice")) {
@@ -1090,7 +1085,6 @@ R_API bool r_run_config_env(RRunProfile *p) {
 			return false;
 		}
 	}
-#if R2_USE_NEW_ABI
 	if (p->_stderrout) {
 #if __wasi__
 		R_LOG_WARN ("Directive 'stderrout' not supported in wasm");
@@ -1100,7 +1094,6 @@ R_API bool r_run_config_env(RRunProfile *p) {
 		}
 #endif
 	}
-#endif
 	if (p->_setgid) {
 #if __wasi__
 		R_LOG_WARN ("Directive 'setgid' not supported in wasm");
diff --git a/libr/util/base32.c b/libr/util/base32.c
index 3d1fe763ac194..4f1a58850514c 100644
--- a/libr/util/base32.c
+++ b/libr/util/base32.c
@@ -1,8 +1,8 @@
 /* radare - LGPL - Copyright 2024 - pancake */
 
+#include <r_util.h>
 #include <r_util/r_base32.h>
 
-#if R2_USE_NEW_ABI
 static const char base32_alphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
 static const char base32_padding = '=';
 
@@ -119,5 +119,3 @@ R_API ut64 base32_decode_ut64(const char *input) {
 	}
 	return decoded_value;
 }
-
-#endif
diff --git a/libr/util/list.c b/libr/util/list.c
index a4b0a895503b8..834cfad7c51bc 100644
--- a/libr/util/list.c
+++ b/libr/util/list.c
@@ -343,18 +343,6 @@ R_API int r_list_del_n(RList *list, int n) {
 	return false;
 }
 
-R_DEPRECATE R_API void *r_list_get_top(const RList *list) {
-	R_RETURN_VAL_IF_FAIL (list, NULL);
-
-	return list->tail ? list->tail->data : NULL;
-}
-
-R_DEPRECATE R_API void *r_list_get_bottom(const RList *list) {
-	R_RETURN_VAL_IF_FAIL (list, NULL);
-
-	return list->head ? list->head->data : NULL;
-}
-
 // Moves an iter to the top(tail) of the list
 // There is an underlying assumption here, that iter is an RListIter of this RList
 R_API void r_list_iter_to_top(RList *list, RListIter *iter) {
@@ -463,7 +451,6 @@ R_API int r_list_set_n(RList *list, int n, void *p) {
 	return false;
 }
 
-#if R2_USE_NEW_ABI
 R_API RListIter *r_list_get_nth(const RList *list, int n) {
 	R_RETURN_VAL_IF_FAIL (list, NULL);
 	RListIter *it;
@@ -475,7 +462,6 @@ R_API RListIter *r_list_get_nth(const RList *list, int n) {
 	}
 	return NULL;
 }
-#endif
 
 R_API void *r_list_get_n(const RList *list, int n) {
 	RListIter *it = r_list_get_nth (list, n);
diff --git a/libr/util/log.c b/libr/util/log.c
index 1cff96d343566..34e003d1fccf5 100644
--- a/libr/util/log.c
+++ b/libr/util/log.c
@@ -246,11 +246,6 @@ R_API void r_log_add_callback(RLogCallback cb, void *user) {
 	if (!rlog->cbs) {
 		rlog->cbs = r_list_newf (free);
 	}
-#if !R2_USE_NEW_ABI
-	if (user) {
-		rlog->user = user;
-	}
-#endif
 	RLogCallbackUser *cbu = R_NEW (RLogCallbackUser);
 	cbu->cb = cb;
 	cbu->user = user;
diff --git a/libr/util/rlz4.c b/libr/util/rlz4.c
index 5f9352fd2d558..d60c79d56283f 100644
--- a/libr/util/rlz4.c
+++ b/libr/util/rlz4.c
@@ -4,7 +4,6 @@
 
 #include <r_util.h>
 
-#if R2_USE_NEW_ABI
 // R2_600 - replace shlr/smallz4 with this code which also supports compressing
 
 #define BLOCK_SIZE (1024*8) /* 8K */
@@ -152,7 +151,7 @@ static int lz4_compress(ut8 *g_buf, const int uc_length, int max_chain) {
 }
 
 static int lz4_decompress(ut8 *g_buf, const int comp_len, int *pp) {
-	int i, s, len, error, run, p = 0;
+	int i, s, len, run, p = 0;
 	int ip = BLOCK_SIZE;
 	int ip_end = ip + comp_len;
 
@@ -246,17 +245,13 @@ R_API ut8 *r_lz4_decompress(const ut8* input, size_t input_size, size_t *output_
 		input += comp_len;
 	}
 	*output_size = r_buf_size (b);
-	return r_buf_tostring (b);
+	return (ut8*)r_buf_tostring (b);
 }
 
 R_API int r_lz4_compress(ut8 *obuf, ut8 *buf, size_t buf_size, const int max_chain) {
-	int i, n;
+	int i;
 	ut8 *obuf0 = obuf;
-
-	int ipos = 0;
-	int opos = 0;
 	ut8 g_buf[(BLOCK_SIZE + BLOCK_SIZE + EXCESS) * sizeof (ut8)];
-
 	for (i = 0; i < buf_size; i += BLOCK_SIZE) {
 		int n = R_MIN (BLOCK_SIZE, buf_size - i);
 		memcpy (g_buf, buf + i, n);
@@ -294,5 +289,3 @@ int main() {
 #endif
 }
 #endif
-
-#endif
diff --git a/test/unit/test_buf.c b/test/unit/test_buf.c
index f2a48bb9a975f..f9d8cd0fdc43a 100644
--- a/test/unit/test_buf.c
+++ b/test/unit/test_buf.c
@@ -100,7 +100,6 @@ bool test_buf(RBuffer *b) {
 	return MU_PASSED;
 }
 
-#if R2_USE_NEW_ABI
 bool test_r_buf_cache(void) {
 	const char bytes[] = "ABCDEFGHIJKLMNOP";
 	RBuffer *b0 = r_buf_new_with_bytes ((const ut8*)bytes, sizeof (bytes));
@@ -118,7 +117,6 @@ bool test_r_buf_cache(void) {
 	r_buf_free (b1);
 	mu_end;
 }
-#endif
 
 bool test_r_buf_file(void) {
 	RBuffer *b;
@@ -425,9 +423,7 @@ bool test_r_buf_slice_too_big(void) {
 }
 
 int all_tests(void) {
-#if R2_USE_NEW_ABI
 	mu_run_test (test_r_buf_cache);
-#endif
 	mu_run_test (test_r_buf_file);
 	mu_run_test (test_r_buf_bytes);
 	mu_run_test (test_r_buf_mmap);