diff --git a/lld/ELF/Arch/RISCV.cpp b/lld/ELF/Arch/RISCV.cpp
--- a/lld/ELF/Arch/RISCV.cpp
+++ b/lld/ELF/Arch/RISCV.cpp
@@ -964,16 +964,13 @@
         }
         continue;
 
-        // Attributes which use the default handling.
-      case RISCVAttrs::PRIV_SPEC:
-      case RISCVAttrs::PRIV_SPEC_MINOR:
-      case RISCVAttrs::PRIV_SPEC_REVISION:
+      default:
         break;
       }
 
-      // Fallback for deprecated priv_spec* and other unknown attributes: retain
-      // the attribute if all input sections agree on the value. GNU ld uses 0
-      // and empty strings as default values which are not dumped to the output.
+      // Fallback for other unknown attributes: retain the attribute if all
+      // input sections agree on the value. GNU ld uses 0 and empty strings
+      // as default values which are not dumped to the output.
       // TODO Adjust after resolution to
       // https://github.com/riscv-non-isa/riscv-elf-psabi-doc/issues/352
       if (tag.attr % 2 == 0) {
diff --git a/lld/test/ELF/riscv-attributes.s b/lld/test/ELF/riscv-attributes.s
--- a/lld/test/ELF/riscv-attributes.s
+++ b/lld/test/ELF/riscv-attributes.s
@@ -44,12 +44,6 @@
 # RUN: not ld.lld a.o b.o c.o diff_stack_align.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=STACK_ALIGN --implicit-check-not=error:
 # STACK_ALIGN: error: diff_stack_align.o:(.riscv.attributes) has stack_align=32 but a.o:(.riscv.attributes) has stack_align=16
 
-## The deprecated priv_spec is not handled as GNU ld does.
-## Differing priv_spec attributes lead to an absent attribute.
-# RUN: llvm-mc -filetype=obj -triple=riscv64 diff_priv_spec.s -o diff_priv_spec.o
-# RUN: ld.lld -e 0 --fatal-warnings a.o b.o c.o diff_priv_spec.o -o diff_priv_spec
-# RUN: llvm-readobj -A diff_priv_spec | FileCheck /dev/null --implicit-check-not='TagName: priv_spec'
-
 ## Unknown tags currently lead to warnings.
 # RUN: llvm-mc -filetype=obj -triple=riscv64 unknown13.s -o unknown13.o
 # RUN: llvm-mc -filetype=obj -triple=riscv64 unknown13a.s -o unknown13a.o
@@ -97,10 +91,10 @@
 # CHECK2:      BuildAttributes {
 # CHECK2-NEXT:   FormatVersion: 0x41
 # CHECK2-NEXT:   Section 1 {
-# CHECK2-NEXT:     SectionLength: 104
+# CHECK2-NEXT:     SectionLength: 100
 # CHECK2-NEXT:     Vendor: riscv
 # CHECK2-NEXT:     Tag: Tag_File (0x1)
-# CHECK2-NEXT:     Size: 94
+# CHECK2-NEXT:     Size: 90
 # CHECK2-NEXT:     FileAttributes {
 # CHECK2-NEXT:       Attribute {
 # CHECK2-NEXT:         Tag: 4
@@ -115,16 +109,6 @@
 # CHECK2-NEXT:         Description: Unaligned access
 # CHECK2-NEXT:       }
 # CHECK2-NEXT:       Attribute {
-# CHECK2-NEXT:         Tag: 8
-# CHECK2-NEXT:         TagName: priv_spec
-# CHECK2-NEXT:         Value: 2
-# CHECK2-NEXT:       }
-# CHECK2-NEXT:       Attribute {
-# CHECK2-NEXT:         Tag: 10
-# CHECK2-NEXT:         TagName: priv_spec_minor
-# CHECK2-NEXT:         Value: 2
-# CHECK2-NEXT:       }
-# CHECK2-NEXT:       Attribute {
 # CHECK2-NEXT:         Tag: 5
 # CHECK2-NEXT:         TagName: arch
 # CHECK2-NEXT:         Value: rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_zicsr2p0_zkt1p0_zve32f1p0_zve32x1p0_zvl32b1p0{{$}}
@@ -158,15 +142,11 @@
 #--- b.s
 .attribute stack_align, 16
 .attribute arch, "rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0"
-.attribute priv_spec, 2
-.attribute priv_spec_minor, 2
 
 #--- c.s
 .attribute stack_align, 16
 .attribute arch, "rv64i2p1_f2p2_zkt1p0_zve32f1p0_zve32x1p0_zvl32b1p0"
 .attribute unaligned_access, 1
-.attribute priv_spec, 2
-.attribute priv_spec_minor, 2
 
 #--- unrecognized_ext1.s
 # UNRECOGNIZED_EXT1:      BuildAttributes {
@@ -282,10 +262,6 @@
 #--- diff_stack_align.s
 .attribute stack_align, 32
 
-#--- diff_priv_spec.s
-.attribute priv_spec, 3
-.attribute priv_spec_minor, 3
-
 #--- unknown13.s
 .attribute 13, "0"
 #--- unknown13a.s
diff --git a/llvm/include/llvm/Support/RISCVAttributes.h b/llvm/include/llvm/Support/RISCVAttributes.h
--- a/llvm/include/llvm/Support/RISCVAttributes.h
+++ b/llvm/include/llvm/Support/RISCVAttributes.h
@@ -29,9 +29,6 @@
   STACK_ALIGN = 4,
   ARCH = 5,
   UNALIGNED_ACCESS = 6,
-  PRIV_SPEC = 8,
-  PRIV_SPEC_MINOR = 10,
-  PRIV_SPEC_REVISION = 12,
 };
 
 enum StackAlign { ALIGN_4 = 4, ALIGN_16 = 16 };
diff --git a/llvm/lib/Support/RISCVAttributeParser.cpp b/llvm/lib/Support/RISCVAttributeParser.cpp
--- a/llvm/lib/Support/RISCVAttributeParser.cpp
+++ b/llvm/lib/Support/RISCVAttributeParser.cpp
@@ -17,18 +17,6 @@
             RISCVAttrs::ARCH,
             &ELFAttributeParser::stringAttribute,
         },
-        {
-            RISCVAttrs::PRIV_SPEC,
-            &ELFAttributeParser::integerAttribute,
-        },
-        {
-            RISCVAttrs::PRIV_SPEC_MINOR,
-            &ELFAttributeParser::integerAttribute,
-        },
-        {
-            RISCVAttrs::PRIV_SPEC_REVISION,
-            &ELFAttributeParser::integerAttribute,
-        },
         {
             RISCVAttrs::STACK_ALIGN,
             &RISCVAttributeParser::stackAlign,
diff --git a/llvm/lib/Support/RISCVAttributes.cpp b/llvm/lib/Support/RISCVAttributes.cpp
--- a/llvm/lib/Support/RISCVAttributes.cpp
+++ b/llvm/lib/Support/RISCVAttributes.cpp
@@ -15,9 +15,6 @@
     {STACK_ALIGN, "Tag_stack_align"},
     {ARCH, "Tag_arch"},
     {UNALIGNED_ACCESS, "Tag_unaligned_access"},
-    {PRIV_SPEC, "Tag_priv_spec"},
-    {PRIV_SPEC_MINOR, "Tag_priv_spec_minor"},
-    {PRIV_SPEC_REVISION, "Tag_priv_spec_revision"},
 };
 
 constexpr TagNameMap RISCVAttributeTags{tagData};
diff --git a/llvm/test/MC/RISCV/attribute.s b/llvm/test/MC/RISCV/attribute.s
--- a/llvm/test/MC/RISCV/attribute.s
+++ b/llvm/test/MC/RISCV/attribute.s
@@ -15,12 +15,3 @@
 
 .attribute unaligned_access, 0
 # CHECK: attribute      6, 0
-
-.attribute priv_spec, 2
-# CHECK: attribute      8, 2
-
-.attribute priv_spec_minor, 0
-# CHECK: attribute      10, 0
-
-.attribute priv_spec_revision, 0
-# CHECK: attribute      12, 0
diff --git a/llvm/test/MC/RISCV/invalid-attribute.s b/llvm/test/MC/RISCV/invalid-attribute.s
--- a/llvm/test/MC/RISCV/invalid-attribute.s
+++ b/llvm/test/MC/RISCV/invalid-attribute.s
@@ -22,14 +22,5 @@
 .attribute unaligned_access, "0"
 # CHECK: [[@LINE-1]]:30: error: expected numeric constant
 
-.attribute priv_spec, "2"
-# CHECK: [[@LINE-1]]:23: error: expected numeric constant
-
-.attribute priv_spec_minor, "0"
-# CHECK: [[@LINE-1]]:29: error: expected numeric constant
-
-.attribute priv_spec_revision, "0"
-# CHECK: [[@LINE-1]]:32: error: expected numeric constant
-
 .attribute arch, 30
 # CHECK: [[@LINE-1]]:18: error: expected string constant
diff --git a/llvm/test/tools/llvm-readobj/ELF/RISCV/attribute.s b/llvm/test/tools/llvm-readobj/ELF/RISCV/attribute.s
--- a/llvm/test/tools/llvm-readobj/ELF/RISCV/attribute.s
+++ b/llvm/test/tools/llvm-readobj/ELF/RISCV/attribute.s
@@ -27,18 +27,3 @@
 # CHECK-OBJ-NEXT: Value: 0
 # CHECK-OBJ-NEXT: TagName: unaligned_access
 # CHECK-OBJ-NEXT: Description: No unaligned access
-
-.attribute  Tag_priv_spec, 2
-# CHECK-OBJ:      Tag: 8
-# CHECK-OBJ-NEXT: TagName: priv_spec
-# CHECK-OBJ-NEXT: Value: 2
-
-.attribute  Tag_priv_spec_minor, 0
-# CHECK-OBJ:      Tag: 10
-# CHECK-OBJ-NEXT: TagName: priv_spec_minor
-# CHECK-OBJ-NEXT: Value: 0
-
-.attribute  Tag_priv_spec_revision, 0
-# CHECK-OBJ:      Tag: 12
-# CHECK-OBJ-NEXT: TagName: priv_spec_revision
-# CHECK-OBJ-NEXT: Value: 0