diff --git a/coders/dpx.c b/coders/dpx.c
index e6fdbc4..f6b5d2d 100644
--- a/coders/dpx.c
+++ b/coders/dpx.c
@@ -1155,7 +1155,7 @@
         MagickTrue : MagickFalse);
       image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,quantum_type)
+  #pragma omp parallel for shared(row,status,quantum_type)
 #endif
       for (y=0; y < (long) image->rows; y++)
       {
diff --git a/coders/hald.c b/coders/hald.c
index 9b538d9..09005be 100644
--- a/coders/hald.c
+++ b/coders/hald.c
@@ -126,7 +126,7 @@
   image->rows=(unsigned long) (level*cube_size);
   image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(status)
+  #pragma omp parallel for shared(status)
 #endif
   for (y=0; y < (long) image->rows; y+=(long) level)
   {
diff --git a/coders/pnm.c b/coders/pnm.c
index 827cf3f..2c0471f 100644
--- a/coders/pnm.c
+++ b/coders/pnm.c
@@ -594,7 +594,7 @@
         extent=GetQuantumExtent(image,quantum_info,quantum_type);
         image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,quantum_type)
+  #pragma omp parallel for shared(row,status,quantum_type)
 #endif
         for (y=0; y < (long) image->rows; y++)
         {
@@ -676,7 +676,7 @@
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,quantum_type)
+  #pragma omp parallel for shared(row,status,quantum_type)
 #endif
         for (y=0; y < (long) image->rows; y++)
         {
@@ -794,7 +794,7 @@
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,type)
+  #pragma omp parallel for shared(row,status,type)
 #endif
         for (y=0; y < (long) image->rows; y++)
         {
@@ -968,7 +968,7 @@
           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
         image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,quantum_type)
+  #pragma omp parallel for shared(row,status,quantum_type)
 #endif
         for (y=0; y < (long) image->rows; y++)
         {
@@ -1211,7 +1211,7 @@
         extent=GetQuantumExtent(image,quantum_info,quantum_type);
         image_view=AcquireCacheView(image);
 #if defined(_OPENMP) && (_OPENMP > 200505)
-  #pragma omp parallel for schedule(static,1) shared(row,status,quantum_type)
+  #pragma omp parallel for shared(row,status,quantum_type)
 #endif
         for (y=0; y < (long) image->rows; y++)
         {