diff --git a/libunwindstack/DwarfOp.h b/libunwindstack/DwarfOp.h
index ed6537aeb..0f4b36d7c 100644
--- a/libunwindstack/DwarfOp.h
+++ b/libunwindstack/DwarfOp.h
@@ -37,7 +37,7 @@ enum DwarfVersion : uint8_t {
 class DwarfMemory;
 class Memory;
 template <typename AddressType>
-class RegsTmpl;
+class RegsImpl;
 
 template <typename AddressType>
 class DwarfOp {
@@ -67,7 +67,7 @@ class DwarfOp {
   AddressType StackAt(size_t index) { return stack_[index]; }
   size_t StackSize() { return stack_.size(); }
 
-  void set_regs(RegsTmpl<AddressType>* regs) { regs_ = regs; }
+  void set_regs(RegsImpl<AddressType>* regs) { regs_ = regs; }
 
   DwarfError last_error() { return last_error_; }
 
@@ -91,7 +91,7 @@ class DwarfOp {
   DwarfMemory* memory_;
   Memory* regular_memory_;
 
-  RegsTmpl<AddressType>* regs_;
+  RegsImpl<AddressType>* regs_;
   bool is_register_ = false;
   DwarfError last_error_ = DWARF_ERROR_NONE;
   uint8_t cur_op_;
diff --git a/libunwindstack/DwarfSection.cpp b/libunwindstack/DwarfSection.cpp
index 0148ffb1d..4c98aa343 100644
--- a/libunwindstack/DwarfSection.cpp
+++ b/libunwindstack/DwarfSection.cpp
@@ -86,7 +86,7 @@ bool DwarfSectionImpl<AddressType>::EvalExpression(const DwarfLocation& loc, uin
 template <typename AddressType>
 bool DwarfSectionImpl<AddressType>::Eval(const DwarfCie* cie, Memory* regular_memory,
                                          const dwarf_loc_regs_t& loc_regs, Regs* regs) {
-  RegsTmpl<AddressType>* cur_regs = reinterpret_cast<RegsTmpl<AddressType>*>(regs);
+  RegsImpl<AddressType>* cur_regs = reinterpret_cast<RegsImpl<AddressType>*>(regs);
   if (cie->return_address_register >= cur_regs->total_regs()) {
     last_error_ = DWARF_ERROR_ILLEGAL_VALUE;
     return false;
diff --git a/libunwindstack/Regs.cpp b/libunwindstack/Regs.cpp
index adb652224..e7d10b203 100644
--- a/libunwindstack/Regs.cpp
+++ b/libunwindstack/Regs.cpp
@@ -30,7 +30,7 @@
 #include "User.h"
 
 template <typename AddressType>
-uint64_t RegsTmpl<AddressType>::GetRelPc(Elf* elf, const MapInfo* map_info) {
+uint64_t RegsImpl<AddressType>::GetRelPc(Elf* elf, const MapInfo* map_info) {
   uint64_t load_bias = 0;
   if (elf->valid()) {
     load_bias = elf->interface()->load_bias();
@@ -40,7 +40,7 @@ uint64_t RegsTmpl<AddressType>::GetRelPc(Elf* elf, const MapInfo* map_info) {
 }
 
 template <typename AddressType>
-bool RegsTmpl<AddressType>::GetReturnAddressFromDefault(Memory* memory, uint64_t* value) {
+bool RegsImpl<AddressType>::GetReturnAddressFromDefault(Memory* memory, uint64_t* value) {
   switch (return_loc_.type) {
   case LOCATION_REGISTER:
     assert(return_loc_.value < total_regs_);
@@ -59,9 +59,8 @@ bool RegsTmpl<AddressType>::GetReturnAddressFromDefault(Memory* memory, uint64_t
   }
 }
 
-RegsArm::RegsArm() : RegsTmpl<uint32_t>(ARM_REG_LAST, ARM_REG_SP,
-                                        Location(LOCATION_REGISTER, ARM_REG_LR)) {
-}
+RegsArm::RegsArm()
+    : RegsImpl<uint32_t>(ARM_REG_LAST, ARM_REG_SP, Location(LOCATION_REGISTER, ARM_REG_LR)) {}
 
 uint64_t RegsArm::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   if (!elf->valid()) {
@@ -89,9 +88,8 @@ uint64_t RegsArm::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   return rel_pc - 4;
 }
 
-RegsArm64::RegsArm64() : RegsTmpl<uint64_t>(ARM64_REG_LAST, ARM64_REG_SP,
-                                            Location(LOCATION_REGISTER, ARM64_REG_LR)) {
-}
+RegsArm64::RegsArm64()
+    : RegsImpl<uint64_t>(ARM64_REG_LAST, ARM64_REG_SP, Location(LOCATION_REGISTER, ARM64_REG_LR)) {}
 
 uint64_t RegsArm64::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   if (!elf->valid()) {
@@ -104,9 +102,8 @@ uint64_t RegsArm64::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   return rel_pc - 4;
 }
 
-RegsX86::RegsX86() : RegsTmpl<uint32_t>(X86_REG_LAST, X86_REG_SP,
-                                        Location(LOCATION_SP_OFFSET, -4)) {
-}
+RegsX86::RegsX86()
+    : RegsImpl<uint32_t>(X86_REG_LAST, X86_REG_SP, Location(LOCATION_SP_OFFSET, -4)) {}
 
 uint64_t RegsX86::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   if (!elf->valid()) {
@@ -119,9 +116,8 @@ uint64_t RegsX86::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   return rel_pc - 1;
 }
 
-RegsX86_64::RegsX86_64() : RegsTmpl<uint64_t>(X86_64_REG_LAST, X86_64_REG_SP,
-                                              Location(LOCATION_SP_OFFSET, -8)) {
-}
+RegsX86_64::RegsX86_64()
+    : RegsImpl<uint64_t>(X86_64_REG_LAST, X86_64_REG_SP, Location(LOCATION_SP_OFFSET, -8)) {}
 
 uint64_t RegsX86_64::GetAdjustedPc(uint64_t rel_pc, Elf* elf) {
   if (!elf->valid()) {
diff --git a/libunwindstack/Regs.h b/libunwindstack/Regs.h
index 718fc8581..8f5a72158 100644
--- a/libunwindstack/Regs.h
+++ b/libunwindstack/Regs.h
@@ -66,11 +66,11 @@ class Regs {
 };
 
 template <typename AddressType>
-class RegsTmpl : public Regs {
+class RegsImpl : public Regs {
  public:
-  RegsTmpl(uint16_t total_regs, uint16_t sp_reg, Location return_loc)
+  RegsImpl(uint16_t total_regs, uint16_t sp_reg, Location return_loc)
       : Regs(total_regs, sp_reg, return_loc), regs_(total_regs) {}
-  virtual ~RegsTmpl() = default;
+  virtual ~RegsImpl() = default;
 
   uint64_t GetRelPc(Elf* elf, const MapInfo* map_info) override;
 
@@ -92,7 +92,7 @@ class RegsTmpl : public Regs {
   std::vector<AddressType> regs_;
 };
 
-class RegsArm : public RegsTmpl<uint32_t> {
+class RegsArm : public RegsImpl<uint32_t> {
  public:
   RegsArm();
   virtual ~RegsArm() = default;
@@ -100,7 +100,7 @@ class RegsArm : public RegsTmpl<uint32_t> {
   uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
 };
 
-class RegsArm64 : public RegsTmpl<uint64_t> {
+class RegsArm64 : public RegsImpl<uint64_t> {
  public:
   RegsArm64();
   virtual ~RegsArm64() = default;
@@ -108,7 +108,7 @@ class RegsArm64 : public RegsTmpl<uint64_t> {
   uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
 };
 
-class RegsX86 : public RegsTmpl<uint32_t> {
+class RegsX86 : public RegsImpl<uint32_t> {
  public:
   RegsX86();
   virtual ~RegsX86() = default;
@@ -116,7 +116,7 @@ class RegsX86 : public RegsTmpl<uint32_t> {
   uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
 };
 
-class RegsX86_64 : public RegsTmpl<uint64_t> {
+class RegsX86_64 : public RegsImpl<uint64_t> {
  public:
   RegsX86_64();
   virtual ~RegsX86_64() = default;
diff --git a/libunwindstack/tests/RegsFake.h b/libunwindstack/tests/RegsFake.h
index dbc06a495..ff030c81d 100644
--- a/libunwindstack/tests/RegsFake.h
+++ b/libunwindstack/tests/RegsFake.h
@@ -22,10 +22,10 @@
 #include "Regs.h"
 
 template <typename TypeParam>
-class RegsFake : public RegsTmpl<TypeParam> {
+class RegsFake : public RegsImpl<TypeParam> {
  public:
   RegsFake(uint16_t total_regs, uint16_t sp_reg)
-      : RegsTmpl<TypeParam>(total_regs, sp_reg, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {}
+      : RegsImpl<TypeParam>(total_regs, sp_reg, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {}
   virtual ~RegsFake() = default;
 
   uint64_t GetRelPc(Elf*, const MapInfo*) override { return 0; }
diff --git a/libunwindstack/tests/RegsTest.cpp b/libunwindstack/tests/RegsTest.cpp
index 0dac2788c..305637371 100644
--- a/libunwindstack/tests/RegsTest.cpp
+++ b/libunwindstack/tests/RegsTest.cpp
@@ -48,13 +48,13 @@ class ElfInterfaceFake : public ElfInterface {
 };
 
 template <typename TypeParam>
-class RegsTestTmpl : public RegsTmpl<TypeParam> {
+class RegsTestImpl : public RegsImpl<TypeParam> {
  public:
-  RegsTestTmpl(uint16_t total_regs, uint16_t regs_sp)
-      : RegsTmpl<TypeParam>(total_regs, regs_sp, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {}
-  RegsTestTmpl(uint16_t total_regs, uint16_t regs_sp, Regs::Location return_loc)
-      : RegsTmpl<TypeParam>(total_regs, regs_sp, return_loc) {}
-  virtual ~RegsTestTmpl() = default;
+  RegsTestImpl(uint16_t total_regs, uint16_t regs_sp)
+      : RegsImpl<TypeParam>(total_regs, regs_sp, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {}
+  RegsTestImpl(uint16_t total_regs, uint16_t regs_sp, Regs::Location return_loc)
+      : RegsImpl<TypeParam>(total_regs, regs_sp, return_loc) {}
+  virtual ~RegsTestImpl() = default;
 
   uint64_t GetAdjustedPc(uint64_t, Elf*) { return 0; }
 };
@@ -80,7 +80,7 @@ class RegsTest : public ::testing::Test {
 };
 
 TEST_F(RegsTest, regs32) {
-  RegsTestTmpl<uint32_t> regs32(50, 10);
+  RegsTestImpl<uint32_t> regs32(50, 10);
   ASSERT_EQ(50U, regs32.total_regs());
   ASSERT_EQ(10U, regs32.sp_reg());
 
@@ -103,7 +103,7 @@ TEST_F(RegsTest, regs32) {
 }
 
 TEST_F(RegsTest, regs64) {
-  RegsTestTmpl<uint64_t> regs64(30, 12);
+  RegsTestImpl<uint64_t> regs64(30, 12);
   ASSERT_EQ(30U, regs64.total_regs());
   ASSERT_EQ(12U, regs64.sp_reg());
 
@@ -127,7 +127,7 @@ TEST_F(RegsTest, regs64) {
 
 template <typename AddressType>
 void RegsTest::regs_rel_pc() {
-  RegsTestTmpl<AddressType> regs(30, 12);
+  RegsTestImpl<AddressType> regs(30, 12);
 
   elf_interface_->set_load_bias(0);
   MapInfo map_info{.start = 0x1000, .end = 0x2000};
@@ -147,7 +147,7 @@ TEST_F(RegsTest, regs64_rel_pc) {
 
 template <typename AddressType>
 void RegsTest::regs_return_address_register() {
-  RegsTestTmpl<AddressType> regs(20, 10, Regs::Location(Regs::LOCATION_REGISTER, 5));
+  RegsTestImpl<AddressType> regs(20, 10, Regs::Location(Regs::LOCATION_REGISTER, 5));
 
   regs[5] = 0x12345;
   uint64_t value;
@@ -164,7 +164,7 @@ TEST_F(RegsTest, regs64_return_address_register) {
 }
 
 TEST_F(RegsTest, regs32_return_address_sp_offset) {
-  RegsTestTmpl<uint32_t> regs(20, 10, Regs::Location(Regs::LOCATION_SP_OFFSET, -2));
+  RegsTestImpl<uint32_t> regs(20, 10, Regs::Location(Regs::LOCATION_SP_OFFSET, -2));
 
   regs.set_sp(0x2002);
   memory_->SetData32(0x2000, 0x12345678);
@@ -174,7 +174,7 @@ TEST_F(RegsTest, regs32_return_address_sp_offset) {
 }
 
 TEST_F(RegsTest, regs64_return_address_sp_offset) {
-  RegsTestTmpl<uint64_t> regs(20, 10, Regs::Location(Regs::LOCATION_SP_OFFSET, -8));
+  RegsTestImpl<uint64_t> regs(20, 10, Regs::Location(Regs::LOCATION_SP_OFFSET, -8));
 
   regs.set_sp(0x2008);
   memory_->SetData64(0x2000, 0x12345678aabbccddULL);