diff --git a/data.cpp b/data.cpp
index 65db77a..20b6089 100644
--- a/data.cpp
+++ b/data.cpp
@@ -91,7 +91,6 @@
 
 void DataManager::get_device_id(void) {
 	FILE *fp;
-	size_t i;
 	char line[2048];
 	char hardware_id[HWID_MAX] = { 0 };
 	char device_id[DEVID_MAX] = { 0 };
@@ -104,7 +103,7 @@
 	if (strcmp(model_id, "error") != 0) {
 		LOGINFO("=> product model: '%s'\n", model_id);
 		// Replace spaces with underscores
-		for (i = 0; i < strlen(model_id); i++) {
+		for (size_t i = 0; i < strlen(model_id); i++) {
 			if (model_id[i] == ' ')
 				model_id[i] = '_';
 		}
@@ -880,7 +879,6 @@
 		string cpu_temp_file;
 		static unsigned long convert_temp = 0;
 		static time_t cpuSecCheck = 0;
-		int divisor = 0;
 		struct timeval curTime;
 		string results;
 
@@ -997,7 +995,7 @@
 #ifndef TW_OEM_BUILD
 	// Load up the values for TWRP - Sleep to let the card be ready
 	char mkdir_path[255], settings_file[255];
-	int is_enc, has_dual, use_ext, has_data_media, has_ext;
+	int is_enc, has_data_media;
 
 	GetValue(TW_IS_ENCRYPTED, is_enc);
 	GetValue(TW_HAS_DATA_MEDIA, has_data_media);
diff --git a/gui/action.cpp b/gui/action.cpp
index f7f29e8..7d34da8 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -62,7 +62,6 @@
 std::set<string> GUIAction::setActionsRunningInCallerThread;
 static string zip_queue[10];
 static int zip_queue_index;
-static pthread_t terminal_command;
 pid_t sideload_child_pid;
 
 static void *ActionThread_work_wrapper(void *data);
@@ -861,7 +860,6 @@
 int GUIAction::getpartitiondetails(std::string arg)
 {
 	string List, part_path;
-	int count = 0;
 
 	if (arg.empty())
 		arg = "tw_wipe_list";
@@ -1078,7 +1076,7 @@
 		else if (arg == "DATAMEDIA") {
 			ret_val = PartitionManager.Format_Data();
 		} else if (arg == "INTERNAL") {
-			int has_datamedia, dual_storage;
+			int has_datamedia;
 
 			DataManager::GetValue(TW_HAS_DATA_MEDIA, has_datamedia);
 			if (has_datamedia) {
@@ -1097,7 +1095,6 @@
 			string Wipe_List, wipe_path;
 			bool skip = false;
 			ret_val = true;
-			TWPartition* wipe_part = NULL;
 
 			DataManager::GetValue("tw_wipe_list", Wipe_List);
 			LOGINFO("wipe list '%s'\n", Wipe_List.c_str());
@@ -1384,7 +1381,7 @@
 		if (fp == NULL) {
 			LOGERR("Error opening command to run (%s).\n", strerror(errno));
 		} else {
-			int fd = fileno(fp), has_data = 0, check = 0, keep_going = -1, bytes_read = 0;
+			int fd = fileno(fp), has_data = 0, check = 0, keep_going = -1;
 			struct timeval timeout;
 			fd_set fdset;
 
@@ -1425,8 +1422,6 @@
 
 int GUIAction::killterminal(std::string arg __unused)
 {
-	int op_status = 0;
-
 	LOGINFO("Sending kill command...\n");
 	operation_start("KillCommand");
 	DataManager::SetValue("tw_operation_status", 0);
@@ -1883,7 +1878,6 @@
 
 int GUIAction::checkforapp(std::string arg __unused)
 {
-	int op_status = 1;
 	operation_start("Check for TWRP App");
 	if (!simulate)
 	{
diff --git a/gui/fileselector.cpp b/gui/fileselector.cpp
index fa4ed82..a992b80 100644
--- a/gui/fileselector.cpp
+++ b/gui/fileselector.cpp
@@ -305,7 +305,6 @@
 void GUIFileSelector::RenderItem(size_t itemindex, int yPos, bool selected)
 {
 	size_t folderSize = mShowFolders ? mFolderList.size() : 0;
-	size_t fileSize = mShowFiles ? mFileList.size() : 0;
 
 	ImageResource* icon;
 	std::string text;
diff --git a/gui/keyboard.cpp b/gui/keyboard.cpp
index 4a78ad7..849cf19 100644
--- a/gui/keyboard.cpp
+++ b/gui/keyboard.cpp
@@ -346,7 +346,6 @@
 		void* fontResource = mLongpressFont->GetResource();
 		gr_color(mLongpressFontColor.red, mLongpressFontColor.green, mLongpressFontColor.blue, mLongpressFontColor.alpha);
 		string text(1, keychar);
-		int textH = mLongpressFont->GetHeight();
 		int textW = gr_ttf_measureEx(text.c_str(), fontResource);
 		int textX = keyX + keyW - longpressOffsetX - textW;
 		int textY = keyY + longpressOffsetY;
diff --git a/gui/partitionlist.cpp b/gui/partitionlist.cpp
index dca3904..c853391 100644
--- a/gui/partitionlist.cpp
+++ b/gui/partitionlist.cpp
@@ -99,8 +99,6 @@
 	GUIScrollList::Update();
 
 	if (updateList) {
-		int listSize = 0;
-
 		// Completely update the list if needed -- Used primarily for
 		// restore as the list for restore will change depending on what
 		// partitions were backed up
diff --git a/gui/text.cpp b/gui/text.cpp
index 49e27a1..61940ff 100644
--- a/gui/text.cpp
+++ b/gui/text.cpp
@@ -114,9 +114,6 @@
 
 	mVarChanged = 0;
 
-	int x = mRenderX, y = mRenderY;
-	int width = gr_ttf_measureEx(mLastValue.c_str(), fontResource);
-
 	if (isHighlighted)
 		gr_color(mHighlightColor.red, mHighlightColor.green, mHighlightColor.blue, mHighlightColor.alpha);
 	else
diff --git a/openrecoveryscript.cpp b/openrecoveryscript.cpp
index d94775a..40ad803 100644
--- a/openrecoveryscript.cpp
+++ b/openrecoveryscript.cpp
@@ -604,7 +604,6 @@
 	char value1[SCRIPT_COMMAND_SIZE];
 	int line_len, i;
 	string Backup_List;
-	bool adbbackup = false;
 
 	strcpy(value1, Options.c_str());
 
@@ -748,13 +747,11 @@
 	bool breakloop = false;
 	int partition_count = 0;
 	std::string Restore_Name;
-	std::size_t pos = 0;
 	struct AdbBackupFileTrailer adbmd5;
 	struct PartitionSettings part_settings;
-	int adb_control_twrp_fd, adb_write_fd, systemro;
+	int adb_control_twrp_fd;
 	int adb_control_bu_fd, ret = 0;
 	char cmd[512];
-	int orsfd = open(ORS_OUTPUT_FILE, O_WRONLY);
 
 	part_settings.total_restore_size = 0;
 
diff --git a/partition.cpp b/partition.cpp
index 626c612..81374f8 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -853,8 +853,6 @@
 }
 
 void TWPartition::Setup_File_System(bool Display_Error) {
-	struct statfs st;
-
 	Can_Be_Mounted = true;
 	Can_Be_Wiped = true;
 
@@ -978,7 +976,6 @@
 	{
 		char device[32], label[32];
 		unsigned long size = 0;
-		char* fstype = NULL;
 		int deviceId;
 
 		sscanf(line, "%s %lx %*s %*c%s", device, &size, label);
@@ -1130,7 +1127,6 @@
 	{
 		unsigned long major, minor, blocks;
 		char device[512];
-		char tmpString[64];
 
 		if (strlen(line) < 7 || line[0] == 'm')	 continue;
 		sscanf(line + 1, "%lu %lu %lu %s", &major, &minor, &blocks, device);
@@ -2230,7 +2226,6 @@
 
 bool TWPartition::Backup_Image(PartitionSettings *part_settings) {
 	string Full_FileName, adb_file_name;
-	int adb_control_bu_fd, compressed;
 
 	TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
 	gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
@@ -2359,8 +2354,6 @@
 
 bool TWPartition::Backup_Dump_Image(PartitionSettings *part_settings) {
 	string Full_FileName, Command;
-	int use_compression, adb_control_bu_fd;
-	unsigned long long compressed;
 
 	TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, gui_parse_text("{@backing}"));
 	gui_msg(Msg("backing_up=Backing up {1}...")(Backup_Display_Name));
@@ -2553,7 +2546,6 @@
 
 	if (Has_Data_Media) {
 		if (Mount(Display_Error)) {
-			unsigned long long data_media_used, actual_data;
 			Used = backup_exclusions.Get_Folder_Size(Mount_Point);
 			Backup_Size = Used;
 			int bak = (int)(Used / 1048576LLU);
@@ -2659,7 +2651,6 @@
 	const uint64_t constGB = (uint64_t) 1024 * 1024 * 1024;
 	const uint64_t constTB = (uint64_t) constGB * 1024;
 	const uint64_t constPB = (uint64_t) constTB * 1024;
-	const uint64_t constEB = (uint64_t) constPB * 1024;
 	if (Current_File_System == "ext4")
 		maxFileSize = 16 * constTB; //16 TB
 	else if (Current_File_System == "vfat")
@@ -2708,7 +2699,6 @@
 					return Flash_Sparse_Image(full_filename);
 				}
 			}
-			unsigned long long file_size = (unsigned long long)(TWFunc::Get_File_Size(full_filename));
 			return Raw_Read_Write(part_settings);
 		} else if (Backup_Method == BM_FLASH_UTILS) {
 			return Flash_Image_FI(full_filename, NULL);
diff --git a/partitionmanager.cpp b/partitionmanager.cpp
index 8f67897..871b082 100644
--- a/partitionmanager.cpp
+++ b/partitionmanager.cpp
@@ -570,7 +570,7 @@
 
 bool TWPartitionManager::Backup_Partition(PartitionSettings *part_settings) {
 	time_t start, stop;
-	int use_compression, adb_control_bu_fd;
+	int use_compression;
 	string backup_log = part_settings->Backup_Folder + "/recovery.log";
 
 	if (part_settings->Part == NULL)
@@ -694,14 +694,14 @@
 
 int TWPartitionManager::Run_Backup(bool adbbackup) {
 	PartitionSettings part_settings;
-	int check, partition_count = 0, disable_free_space_check = 0, do_md5 = 0;
+	int partition_count = 0, disable_free_space_check = 0, do_md5 = 0;
 	int gui_adb_backup;
 	string Backup_Name, Backup_List, backup_path;
-	unsigned long long total_bytes = 0, free_space = 0, subpart_size;
+	unsigned long long total_bytes = 0, free_space = 0;
 	TWPartition* storage = NULL;
 	std::vector<TWPartition*>::iterator subpart;
 	struct tm *t;
-	time_t start, stop, seconds, total_start, total_stop;
+	time_t seconds, total_start, total_stop;
 	size_t start_pos = 0, end_pos = 0;
 	stop_backup.set_value(0);
 	seconds = time(0);
@@ -943,8 +943,7 @@
 
 int TWPartitionManager::Run_Restore(const string& Restore_Name) {
 	PartitionSettings part_settings;
-	int check_md5, check, partition_count = 0;
-	TWPartition* restore_part = NULL;
+	int check_md5;
 
 	time_t rStart, rStop;
 	time(&rStart);
@@ -1513,9 +1512,7 @@
 
 int TWPartitionManager::Decrypt_Device(string Password) {
 #ifdef TW_INCLUDE_CRYPTO
-	int ret_val, password_len;
 	char crypto_state[PROPERTY_VALUE_MAX], crypto_blkdev[PROPERTY_VALUE_MAX], cPassword[255];
-	size_t result;
 	std::vector<TWPartition*>::iterator iter;
 
 	// Mount any partitions that need to be mounted for decrypt
@@ -1644,7 +1641,7 @@
 }
 
 int TWPartitionManager::usb_storage_enable(void) {
-	int has_dual, has_data_media;
+	int has_data_media;
 	char lun_file[255];
 	bool has_multiple_lun = false;
 
@@ -1757,7 +1754,7 @@
 }
 
 int TWPartitionManager::Partition_SDCard(void) {
-	char mkdir_path[255], temp[255], line[512];
+	char temp[255];
 	string Storage_Path, Command, Device, fat_str, ext_str, start_loc, end_loc, ext_format, sd_path, tmpdevice;
 	int ext, swap, total_size = 0, fat_size;
 
@@ -2304,7 +2301,7 @@
 }
 
 bool TWPartitionManager::Flash_Image(string& path, string& filename) {
-	int check, partition_count = 0;
+	int partition_count = 0;
 	TWPartition* flash_part = NULL;
 	string Flash_List, flash_path, full_filename;
 	size_t start_pos = 0, end_pos = 0;
@@ -2442,7 +2439,6 @@
 	char* xmlFile = PageManager::LoadFileToBuffer("/data/system/storage.xml", NULL);
 	xml_document<> *doc = NULL;
 	xml_node<>* volumes = NULL;
-	xml_node<>* volume = NULL;
 	string Primary_Storage_UUID = "";
 	if (xmlFile != NULL) {
 		LOGINFO("successfully loaded storage.xml\n");
diff --git a/twrp-functions.cpp b/twrp-functions.cpp
index 9296c34..3c6c55b 100644
--- a/twrp-functions.cpp
+++ b/twrp-functions.cpp
@@ -179,7 +179,7 @@
 	uint8_t *buffer_out = NULL;
 	uint8_t *ptr = NULL;
 	size_t read_len = 0, out_len = 0;
-	int firstbyte = 0, secondbyte = 0, key_len;
+	int firstbyte = 0, secondbyte = 0;
 	size_t _j = 0;
 	size_t _key_data_len = 0;
 
@@ -889,7 +889,6 @@
 	static const char *paths[] = { "/data/system/time/", "/data/time/"  };
 
 	FILE *f;
-	DIR *d;
 	offset = 0;
 	struct dirent *dt;
 	std::string ats_path;
diff --git a/twrp.cpp b/twrp.cpp
index b247458..5459bd4 100644
--- a/twrp.cpp
+++ b/twrp.cpp
@@ -176,7 +176,7 @@
 
 	PartitionManager.Mount_By_Path("/cache", false);
 
-	bool Shutdown = false, Sideload = false;
+	bool Shutdown = false;
 	string Send_Intent = "";
 	{
 		TWPartition* misc = PartitionManager.Find_Partition_By_Path("/misc");
diff --git a/twrpTar.cpp b/twrpTar.cpp
index 4a71159..7e4d29a 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -114,9 +114,7 @@
 
 int twrpTar::createTarFork(pid_t *tar_fork_pid) {
 	int status = 0;
-	pid_t rc_pid;
-	int progress_pipe[2], ret;
-	char cmd[512];
+	int progress_pipe[2];
 
 	file_count = 0;
 	if (backup_exclusions == NULL) {
@@ -484,8 +482,8 @@
 
 int twrpTar::extractTarFork() {
 	int status = 0;
-	pid_t rc_pid, tar_fork_pid;
-	int progress_pipe[2], ret;
+	pid_t tar_fork_pid;
+	int progress_pipe[2];
 
 	if (pipe(progress_pipe) < 0) {
 		LOGINFO("Error creating progress tracking pipe\n");
@@ -661,7 +659,6 @@
 	struct stat st;
 	string FileName;
 	struct TarListStruct TarItem;
-	string::size_type i;
 	int ret, file_count;
 	file_count = 0;
 
@@ -770,7 +767,6 @@
 	int list_size = TarList->size(), i = 0, archive_count = 0;
 	string temp;
 	char actual_filename[PATH_MAX];
-	char *ptr;
 	unsigned long long fs;
 
 	if (split_archives) {