diff --git a/cpu/ppc/ppcmmu.cpp b/cpu/ppc/ppcmmu.cpp
index f73e7c0..0e056ef 100644
--- a/cpu/ppc/ppcmmu.cpp
+++ b/cpu/ppc/ppcmmu.cpp
@@ -797,7 +797,7 @@ static void tlb_flush_entries(std::array<TLBEntry, N> &tlb, TLBFlags type) {
 template <const TLBType tlb_type>
 void tlb_flush_entries(TLBFlags type)
 {
-    TLBEntry *m1_tlb, *m2_tlb, *m3_tlb;
+    //TLBEntry *m1_tlb, *m2_tlb, *m3_tlb;
     int i;
 
     if (tlb_type == TLBType::ITLB) {
diff --git a/debugger/debugger.cpp b/debugger/debugger.cpp
index 3fa5324..133586f 100644
--- a/debugger/debugger.cpp
+++ b/debugger/debugger.cpp
@@ -447,7 +447,9 @@ void enter_debugger() {
     size_t separator_pos;
     bool did_message = false;
     uint32_t next_addr_ppc;
+#ifdef ENABLE_68K_DEBUGGER
     uint32_t next_addr_68k;
+#endif
     bool cmd_repeat;
 
     unique_ptr<OfConfigUtils> ofnvram = unique_ptr<OfConfigUtils>(new OfConfigUtils);
diff --git a/devices/common/ata/atahd.h b/devices/common/ata/atahd.h
index 5d698c1..07a7ee7 100644
--- a/devices/common/ata/atahd.h
+++ b/devices/common/ata/atahd.h
@@ -71,7 +71,7 @@ private:
 
     char * buffer = new char[1 <<17];
 
-    uint8_t hd_id_data[ATA_HD_SEC_SIZE] = {};
+    //uint8_t hd_id_data[ATA_HD_SEC_SIZE] = {};
 };
 
 #endif // ATA_HARD_DISK_H
diff --git a/devices/common/scsi/scsihd.cpp b/devices/common/scsi/scsihd.cpp
index e4f063a..9e2b7fe 100644
--- a/devices/common/scsi/scsihd.cpp
+++ b/devices/common/scsi/scsihd.cpp
@@ -205,7 +205,7 @@ int ScsiHardDisk::req_sense(uint16_t alloc_len) {
     //if (!check_lun())
     //    return;
 
-    int next_phase;
+    //int next_phase;
 
     int lun;
     if (this->last_selection_has_atention) {