diff --git a/include/exiv2/types.hpp b/include/exiv2/types.hpp
index 38a6e1e0..12a6d871 100644
--- a/include/exiv2/types.hpp
+++ b/include/exiv2/types.hpp
@@ -162,16 +162,16 @@ struct EXIV2API DataBuf {
   using iterator = std::vector<byte>::iterator;
   using const_iterator = std::vector<byte>::const_iterator;
 
-  inline iterator begin() noexcept {
+  iterator begin() noexcept {
     return pData_.begin();
   }
-  [[nodiscard]] inline const_iterator cbegin() const noexcept {
+  [[nodiscard]] const_iterator cbegin() const noexcept {
     return pData_.cbegin();
   }
-  inline iterator end() noexcept {
+  iterator end() noexcept {
     return pData_.end();
   }
-  [[nodiscard]] inline const_iterator cend() const noexcept {
+  [[nodiscard]] const_iterator cend() const noexcept {
     return pData_.end();
   }
 
diff --git a/src/tags.cpp b/src/tags.cpp
index 5b89f928..71010706 100644
--- a/src/tags.cpp
+++ b/src/tags.cpp
@@ -20,28 +20,28 @@ using namespace Internal;
 
 //! List of all defined Exif sections.
 constexpr auto sectionInfo = std::array{
-    SectionInfo(SectionId::sectionIdNotSet, "(UnknownSection)", N_("Unknown section")),
-    SectionInfo(SectionId::imgStruct, "ImageStructure", N_("Image data structure")),
-    SectionInfo(SectionId::recOffset, "RecordingOffset", N_("Recording offset")),
-    SectionInfo(SectionId::imgCharacter, "ImageCharacteristics", N_("Image data characteristics")),
-    SectionInfo(SectionId::otherTags, "OtherTags", N_("Other data")),
-    SectionInfo(SectionId::exifFormat, "ExifFormat", N_("Exif data structure")),
-    SectionInfo(SectionId::exifVersion, "ExifVersion", N_("Exif version")),
-    SectionInfo(SectionId::imgConfig, "ImageConfig", N_("Image configuration")),
-    SectionInfo(SectionId::userInfo, "UserInfo", N_("User information")),
-    SectionInfo(SectionId::relatedFile, "RelatedFile", N_("Related file")),
-    SectionInfo(SectionId::dateTime, "DateTime", N_("Date and time")),
-    SectionInfo(SectionId::captureCond, "CaptureConditions", N_("Picture taking conditions")),
-    SectionInfo(SectionId::gpsTags, "GPS", N_("GPS information")),
-    SectionInfo(SectionId::iopTags, "Interoperability", N_("Interoperability information")),
-    SectionInfo(SectionId::mpfTags, "MPF", N_("CIPA Multi-Picture Format")),
-    SectionInfo(SectionId::makerTags, "Makernote", N_("Vendor specific information")),
-    SectionInfo(SectionId::dngTags, "DngTags", N_("Adobe DNG tags")),
-    SectionInfo(SectionId::panaRaw, "PanasonicRaw", N_("Panasonic RAW tags")),
-    SectionInfo(SectionId::tiffEp, "TIFF/EP", N_("TIFF/EP tags")),
-    SectionInfo(SectionId::tiffPm6, "TIFF&PM6", N_("TIFF PageMaker 6.0 tags")),
-    SectionInfo(SectionId::adobeOpi, "AdobeOPI", N_("Adobe OPI tags")),
-    SectionInfo(SectionId::lastSectionId, "(LastSection)", N_("Last section")),
+    SectionInfo{SectionId::sectionIdNotSet, "(UnknownSection)", N_("Unknown section")},
+    SectionInfo{SectionId::imgStruct, "ImageStructure", N_("Image data structure")},
+    SectionInfo{SectionId::recOffset, "RecordingOffset", N_("Recording offset")},
+    SectionInfo{SectionId::imgCharacter, "ImageCharacteristics", N_("Image data characteristics")},
+    SectionInfo{SectionId::otherTags, "OtherTags", N_("Other data")},
+    SectionInfo{SectionId::exifFormat, "ExifFormat", N_("Exif data structure")},
+    SectionInfo{SectionId::exifVersion, "ExifVersion", N_("Exif version")},
+    SectionInfo{SectionId::imgConfig, "ImageConfig", N_("Image configuration")},
+    SectionInfo{SectionId::userInfo, "UserInfo", N_("User information")},
+    SectionInfo{SectionId::relatedFile, "RelatedFile", N_("Related file")},
+    SectionInfo{SectionId::dateTime, "DateTime", N_("Date and time")},
+    SectionInfo{SectionId::captureCond, "CaptureConditions", N_("Picture taking conditions")},
+    SectionInfo{SectionId::gpsTags, "GPS", N_("GPS information")},
+    SectionInfo{SectionId::iopTags, "Interoperability", N_("Interoperability information")},
+    SectionInfo{SectionId::mpfTags, "MPF", N_("CIPA Multi-Picture Format")},
+    SectionInfo{SectionId::makerTags, "Makernote", N_("Vendor specific information")},
+    SectionInfo{SectionId::dngTags, "DngTags", N_("Adobe DNG tags")},
+    SectionInfo{SectionId::panaRaw, "PanasonicRaw", N_("Panasonic RAW tags")},
+    SectionInfo{SectionId::tiffEp, "TIFF/EP", N_("TIFF/EP tags")},
+    SectionInfo{SectionId::tiffPm6, "TIFF&PM6", N_("TIFF PageMaker 6.0 tags")},
+    SectionInfo{SectionId::adobeOpi, "AdobeOPI", N_("Adobe OPI tags")},
+    SectionInfo{SectionId::lastSectionId, "(LastSection)", N_("Last section")},
 };
 
 }  // namespace Exiv2
diff --git a/src/tags_int.hpp b/src/tags_int.hpp
index ccffc6f7..8285fc18 100644
--- a/src/tags_int.hpp
+++ b/src/tags_int.hpp
@@ -17,9 +17,6 @@ namespace Exiv2::Internal {
 
 //! The details of a section.
 struct SectionInfo {
-  constexpr SectionInfo(SectionId sectionId, const char* name, const char* desc) :
-      sectionId_(sectionId), name_(name), desc_(desc) {
-  }
   SectionId sectionId_;  //!< Section id
   const char* name_;     //!< Section name (one word)
   const char* desc_;     //!< Section description
@@ -48,9 +45,6 @@ struct StringTagDetails {
   const char* label_;  //!< Translation of the tag value
 
   //! Comparison operator for use with the find template
-  bool operator==(const char* key) const {
-    return (strcmp(val_, key) == 0);
-  }
   bool operator==(const std::string& key) const {
     return (key == val_);
   }
diff --git a/src/tiffcomposite_int.hpp b/src/tiffcomposite_int.hpp
index 64911a25..ecfc00f9 100644
--- a/src/tiffcomposite_int.hpp
+++ b/src/tiffcomposite_int.hpp
@@ -64,7 +64,7 @@ class TiffPathItem {
   //! @name Creators
   //@{
   //! Constructor
-  TiffPathItem(uint32_t extendedTag, IfdId group) : extendedTag_(extendedTag), group_(group) {
+  constexpr TiffPathItem(uint32_t extendedTag, IfdId group) : extendedTag_(extendedTag), group_(group) {
   }
   //@}