diff --git a/src/OpenFOAM/primitives/ints/int32/int32.H b/src/OpenFOAM/primitives/ints/int32/int32.H
index d2601ad67c..de8baa2109 100644
--- a/src/OpenFOAM/primitives/ints/int32/int32.H
+++ b/src/OpenFOAM/primitives/ints/int32/int32.H
@@ -45,10 +45,6 @@ SourceFiles
 #include "pTraits.H"
 #include "direction.H"
 
-#ifndef UINT32_MIN
-#define UINT32_MIN 0
-#endif
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
diff --git a/src/OpenFOAM/primitives/ints/uLabel/uLabel.H b/src/OpenFOAM/primitives/ints/uLabel/uLabel.H
index 4a269526b1..0c712fa376 100644
--- a/src/OpenFOAM/primitives/ints/uLabel/uLabel.H
+++ b/src/OpenFOAM/primitives/ints/uLabel/uLabel.H
@@ -58,7 +58,6 @@ namespace Foam
 
 typedef UINT_SIZE(uint, _t) uLabel;
 
-static const uLabel uLabelMin = UINT_SIZE(UINT, _MIN);
 static const uLabel uLabelMax = UINT_SIZE(UINT, _MAX);
 
 inline uLabel readULabel(Istream& is)
diff --git a/src/OpenFOAM/primitives/ints/uint32/uint32.C b/src/OpenFOAM/primitives/ints/uint32/uint32.C
index 8f26f6ab72..2fec72846d 100644
--- a/src/OpenFOAM/primitives/ints/uint32/uint32.C
+++ b/src/OpenFOAM/primitives/ints/uint32/uint32.C
@@ -31,7 +31,7 @@ const uint32_t Foam::pTraits<uint32_t>::zero = 0;
 const uint32_t Foam::pTraits<uint32_t>::one = 1;
 const uint32_t Foam::pTraits<uint32_t>::min = 0;
 const uint32_t Foam::pTraits<uint32_t>::max = UINT32_MAX;
-const uint32_t Foam::pTraits<uint32_t>::rootMin = pTraits<uint32_t>::min;
+const uint32_t Foam::pTraits<uint32_t>::rootMin = 0;
 const uint32_t Foam::pTraits<uint32_t>::rootMax = pTraits<uint32_t>::max;
 
 const char* const Foam::pTraits<uint32_t>::componentNames[] = { "" };
diff --git a/src/OpenFOAM/primitives/ints/uint32/uint32.H b/src/OpenFOAM/primitives/ints/uint32/uint32.H
index 83c3b18c67..34803c218f 100644
--- a/src/OpenFOAM/primitives/ints/uint32/uint32.H
+++ b/src/OpenFOAM/primitives/ints/uint32/uint32.H
@@ -45,10 +45,6 @@ SourceFiles
 #include "pTraits.H"
 #include "direction.H"
 
-#ifndef UINT32_MIN
-#define UINT32_MIN 0
-#endif
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
diff --git a/src/OpenFOAM/primitives/ints/uint64/uint64.C b/src/OpenFOAM/primitives/ints/uint64/uint64.C
index 112d3a4b88..b4ca245d25 100644
--- a/src/OpenFOAM/primitives/ints/uint64/uint64.C
+++ b/src/OpenFOAM/primitives/ints/uint64/uint64.C
@@ -31,7 +31,7 @@ const uint64_t Foam::pTraits<uint64_t>::zero = 0;
 const uint64_t Foam::pTraits<uint64_t>::one = 1;
 const uint64_t Foam::pTraits<uint64_t>::min = 0;
 const uint64_t Foam::pTraits<uint64_t>::max = UINT64_MAX;
-const uint64_t Foam::pTraits<uint64_t>::rootMin = pTraits<uint64_t>::min;
+const uint64_t Foam::pTraits<uint64_t>::rootMin = 0;
 const uint64_t Foam::pTraits<uint64_t>::rootMax = pTraits<uint64_t>::max;
 
 const char* const Foam::pTraits<uint64_t>::componentNames[] = { "" };