diff --git a/cpu/ppc/ppcfpopcodes.cpp b/cpu/ppc/ppcfpopcodes.cpp
index 94c2f6d..346f072 100644
--- a/cpu/ppc/ppcfpopcodes.cpp
+++ b/cpu/ppc/ppcfpopcodes.cpp
@@ -746,7 +746,7 @@ void dppc_interpreter::ppc_stfs() {
     ppc_grab_regsfpsia(ppc_cur_instruction);
     uint32_t ea = int32_t(int16_t(ppc_cur_instruction));
     ea += (reg_a) ? val_reg_a : 0;
-    float result = ppc_state.fpr[reg_s].dbl64_r;
+    float result = float(ppc_state.fpr[reg_s].dbl64_r);
     mmu_write_vmem<uint32_t>(ea, *(uint32_t*)(&result));
 }
 
@@ -755,7 +755,7 @@ void dppc_interpreter::ppc_stfsu() {
     if (reg_a != 0) {
         uint32_t ea = int32_t(int16_t(ppc_cur_instruction));
         ea += val_reg_a;
-        float result = ppc_state.fpr[reg_s].dbl64_r;
+        float result = float(ppc_state.fpr[reg_s].dbl64_r);
         mmu_write_vmem<uint32_t>(ea, *(uint32_t*)(&result));
         ppc_state.gpr[reg_a] = ea;
     } else {
@@ -766,7 +766,7 @@ void dppc_interpreter::ppc_stfsu() {
 void dppc_interpreter::ppc_stfsx() {
     ppc_grab_regsfpsiab(ppc_cur_instruction);
     uint32_t ea = val_reg_b + (reg_a ? val_reg_a : 0);
-    float result = ppc_state.fpr[reg_s].dbl64_r;
+    float result = float(ppc_state.fpr[reg_s].dbl64_r);
     mmu_write_vmem<uint32_t>(ea, *(uint32_t*)(&result));
 }
 
@@ -774,7 +774,7 @@ void dppc_interpreter::ppc_stfsux() {
     ppc_grab_regsfpsiab(ppc_cur_instruction);
     if (reg_a) {
         uint32_t ea = val_reg_a + val_reg_b;
-        float result = ppc_state.fpr[reg_s].dbl64_r;
+        float result = float(ppc_state.fpr[reg_s].dbl64_r);
         mmu_write_vmem<uint32_t>(ea, *(uint32_t*)(&result));
         ppc_state.gpr[reg_a] = ea;
     } else {
diff --git a/cpu/ppc/ppcmmu.cpp b/cpu/ppc/ppcmmu.cpp
index 0fa34ba..20ba67c 100644
--- a/cpu/ppc/ppcmmu.cpp
+++ b/cpu/ppc/ppcmmu.cpp
@@ -372,7 +372,7 @@ uint32_t tlb_size_mask = TLB_SIZE - 1;
 
 // fake TLB entry for handling of unmapped memory accesses
 uint64_t    UnmappedVal = -1ULL;
-TLBEntry    UnmappedMem = {TLB_INVALID_TAG, TLBFlags::PAGE_NOPHYS, 0, 0};
+TLBEntry    UnmappedMem = {TLB_INVALID_TAG, TLBFlags::PAGE_NOPHYS, 0, {{0}}};
 
 uint8_t     CurITLBMode = {0xFF}; // current ITLB mode
 uint8_t     CurDTLBMode = {0xFF}; // current DTLB mode
diff --git a/cpu/ppc/ppcmmu.h b/cpu/ppc/ppcmmu.h
index 9ab7f40..d4d9c8e 100644
--- a/cpu/ppc/ppcmmu.h
+++ b/cpu/ppc/ppcmmu.h
@@ -134,17 +134,4 @@ extern T mmu_read_vmem(uint32_t guest_va);
 template <class T>
 extern void mmu_write_vmem(uint32_t guest_va, T value);
 
-//====================== Deprecated calls =========================
-#if 0
-extern void mem_write_byte(uint32_t addr, uint8_t value);
-extern void mem_write_word(uint32_t addr, uint16_t value);
-extern void mem_write_dword(uint32_t addr, uint32_t value);
-extern void mem_write_qword(uint32_t addr, uint64_t value);
-extern uint8_t mem_grab_byte(uint32_t addr);
-extern uint16_t mem_grab_word(uint32_t addr);
-extern uint32_t mem_grab_dword(uint32_t addr);
-extern uint64_t mem_grab_qword(uint32_t addr);
-extern uint8_t* quickinstruction_translate(uint32_t address_grab);
-#endif
-
 #endif    // PPCMMU_H
diff --git a/cpu/ppc/ppcopcodes.cpp b/cpu/ppc/ppcopcodes.cpp
index f3d0ed4..5dd4689 100644
--- a/cpu/ppc/ppcopcodes.cpp
+++ b/cpu/ppc/ppcopcodes.cpp
@@ -47,7 +47,7 @@ void ppc_changecrf0(uint32_t set_result) {
 }
 
 // Affects the XER register's Carry Bit
-inline void ppc_carry(uint32_t a, uint32_t b) {
+inline static void ppc_carry(uint32_t a, uint32_t b) {
     if (b < a) {
         ppc_state.spr[SPR::XER] |= XER::CA;
     } else {
@@ -55,7 +55,7 @@ inline void ppc_carry(uint32_t a, uint32_t b) {
     }
 }
 
-inline void ppc_carry_sub(uint32_t a, uint32_t b) {
+inline static void ppc_carry_sub(uint32_t a, uint32_t b) {
     if (b >= a) {
         ppc_state.spr[SPR::XER] |= XER::CA;
     } else {
@@ -65,7 +65,7 @@ inline void ppc_carry_sub(uint32_t a, uint32_t b) {
 
 // Affects the XER register's SO and OV Bits
 
-inline void ppc_setsoov(uint32_t a, uint32_t b, uint32_t d) {
+inline static void ppc_setsoov(uint32_t a, uint32_t b, uint32_t d) {
     if (int32_t((a ^ b) & (a ^ d)) < 0) {
         ppc_state.spr[SPR::XER] |= XER::SO | XER::OV;
     } else {
@@ -84,7 +84,7 @@ void do_ctx_sync() {
     }
 }
 
-void add_ctx_sync_action(const CtxSyncCallback &cb) {
+static void add_ctx_sync_action(const CtxSyncCallback& cb) {
     gCtxSyncCallbacks.push_back(cb);
 }
 
diff --git a/devices/common/ofnvram.cpp b/devices/common/ofnvram.cpp
index bdb1d12..2ca34ba 100644
--- a/devices/common/ofnvram.cpp
+++ b/devices/common/ofnvram.cpp
@@ -60,7 +60,7 @@ static uint32_t str2env(string& num_str) {
 
 bool OfConfigAppl::validate() {
     int             i;
-    OfConfigHdrAppl hdr;
+    OfConfigHdrAppl hdr{};
 
     if (this->nvram_obj == nullptr)
         return false;
@@ -151,9 +151,9 @@ const OfConfigImpl::config_dict& OfConfigAppl::get_config_vars() {
 
     // populate the remaining variables
     for (auto& var : of_vars) {
-        auto name   = var.first;
-        auto type   = std::get<0>(var.second);
-        auto offset = std::get<1>(var.second);
+        auto& name   = var.first;
+        auto  type   = std::get<0>(var.second);
+        auto  offset = std::get<1>(var.second);
 
         switch (type) {
         case OF_VAR_TYPE_INT:
@@ -354,7 +354,7 @@ bool OfConfigChrp::validate()
     if (!of_part_found)
         return false;
 
-    OfConfigHdrChrp  hdr;
+    OfConfigHdrChrp hdr{};
 
     // read OF partition header
     for (i = 0; i < sizeof(OfConfigHdrChrp); i++) {
diff --git a/devices/common/scsi/mesh.cpp b/devices/common/scsi/mesh.cpp
index fcfa524..abbf148 100644
--- a/devices/common/scsi/mesh.cpp
+++ b/devices/common/scsi/mesh.cpp
@@ -100,7 +100,7 @@ uint8_t MeshController::read(uint8_t reg_offset) {
 }
 
 void MeshController::write(uint8_t reg_offset, uint8_t value) {
-    uint16_t new_stat;
+    //uint16_t new_stat;
 
     switch(reg_offset) {
     case MeshReg::XferCount0: