diff --git a/test/tools/llvm-cov/binary-formats.c b/test/tools/llvm-cov/binary-formats.c
index 4140ff8953f..e03b8b5739e 100644
--- a/test/tools/llvm-cov/binary-formats.c
+++ b/test/tools/llvm-cov/binary-formats.c
@@ -6,6 +6,3 @@ int main(int argc, const char *argv[]) {}
 // RUN: llvm-profdata merge %S/Inputs/binary-formats.proftext -o %t.profdata
 // RUN: llvm-cov show %S/Inputs/binary-formats.macho32l -instr-profile %t.profdata -no-colors -filename-equivalence %s | FileCheck %s
 // RUN: llvm-cov show %S/Inputs/binary-formats.macho64l -instr-profile %t.profdata -no-colors -filename-equivalence %s | FileCheck %s
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/report.cpp b/test/tools/llvm-cov/report.cpp
index 570012e4e40..4422d794381 100644
--- a/test/tools/llvm-cov/report.cpp
+++ b/test/tools/llvm-cov/report.cpp
@@ -33,6 +33,3 @@ int main() {
   bar();
   return 0;
 }
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/showExpansions.cpp b/test/tools/llvm-cov/showExpansions.cpp
index 30edd90584f..de3898fc897 100644
--- a/test/tools/llvm-cov/showExpansions.cpp
+++ b/test/tools/llvm-cov/showExpansions.cpp
@@ -24,6 +24,3 @@ int main(int argc, const char *argv[]) {
     DO_SOMETHING(i); // CHECK-DAG: Expansion at line [[@LINE]], 5 -> 17
   return 0;
 }
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/showHighlightedRanges.cpp b/test/tools/llvm-cov/showHighlightedRanges.cpp
index 1ff7929ee75..b5209d40d22 100644
--- a/test/tools/llvm-cov/showHighlightedRanges.cpp
+++ b/test/tools/llvm-cov/showHighlightedRanges.cpp
@@ -43,6 +43,3 @@ int main() {
   func2(9);
   return 0;
 }
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/showLineExecutionCounts.cpp b/test/tools/llvm-cov/showLineExecutionCounts.cpp
index da6c9bd9024..895d0f4f862 100644
--- a/test/tools/llvm-cov/showLineExecutionCounts.cpp
+++ b/test/tools/llvm-cov/showLineExecutionCounts.cpp
@@ -28,6 +28,3 @@ int main() {                             // CHECK:   1| [[@LINE]]|int main(
 
 // RUN: llvm-cov show %S/Inputs/lineExecutionCounts.covmapping -instr-profile %t.profdata -no-colors -filename-equivalence %s | FileCheck -check-prefix=CHECK -check-prefix=WHOLE-FILE %s
 // RUN: llvm-cov show %S/Inputs/lineExecutionCounts.covmapping -instr-profile %t.profdata -no-colors -filename-equivalence -name=main %s | FileCheck -check-prefix=CHECK -check-prefix=FILTER %s
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/showRegionMarkers.cpp b/test/tools/llvm-cov/showRegionMarkers.cpp
index 1acc8d6f959..d1b83d25985 100644
--- a/test/tools/llvm-cov/showRegionMarkers.cpp
+++ b/test/tools/llvm-cov/showRegionMarkers.cpp
@@ -23,6 +23,3 @@ int main() {                      // CHECK: Marker at [[@LINE]]:12 = 1
 }
 
 // RUN: llvm-cov show %S/Inputs/regionMarkers.covmapping -instr-profile %t.profdata -show-regions -dump -filename-equivalence %s 2>&1 | FileCheck %s
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/showTemplateInstantiations.cpp b/test/tools/llvm-cov/showTemplateInstantiations.cpp
index 2b72d83c013..41bebf6bac2 100644
--- a/test/tools/llvm-cov/showTemplateInstantiations.cpp
+++ b/test/tools/llvm-cov/showTemplateInstantiations.cpp
@@ -38,6 +38,3 @@ int main() {         // ALL:         1| [[@LINE]]|int main() {
 }                    // ALL-NEXT:    1| [[@LINE]]|}
 // after coverage    // ALL-NEXT:     | [[@LINE]]|// after
                      // FILTER-NOT:   | [[@LINE-1]]|// after
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc
diff --git a/test/tools/llvm-cov/universal-binary.c b/test/tools/llvm-cov/universal-binary.c
index c05c5d42d05..84e1b0a3618 100644
--- a/test/tools/llvm-cov/universal-binary.c
+++ b/test/tools/llvm-cov/universal-binary.c
@@ -8,6 +8,3 @@ int main(int argc, const char *argv[]) {}
 
 // RUN: not llvm-cov show %S/Inputs/universal-binary -instr-profile %t.profdata -no-colors -filename-equivalence %s -arch i386 2>&1 | FileCheck --check-prefix=WRONG-ARCH %s
 // WRONG-ARCH: Failed to load coverage
-
-// llvm-cov doesn't work on big endian yet
-// XFAIL: powerpc64-, s390x, mips-, mips64-, sparc